| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 34 | 
                                                                 
                                    
                                    22.7%
                                 
                                                             | 
                                                        
                    
| -7 | No electricity from a utility (spontaneous) | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 20 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 100 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 120 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 125 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 150 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 200 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 400 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 422 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 500 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 650 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 1200 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1500 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1600 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1900 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 2000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 2196 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 2500 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 3000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 3535 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 4000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 4699 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 4800 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 5000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 6000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 6100 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 7000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 7400 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 7402 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 7500 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 8000 | 4 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 8500 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 8700 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 9000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 9400 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 9500 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 9700 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 10000 | 4 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 10536 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 11000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 12000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 12400 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 13000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 14000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 15000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 15900 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 18000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 18560 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 20000 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 20531 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 22000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 25000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 30000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 40000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 60000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 70000 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 80000 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 90000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 100000 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 110000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 120000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 141000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 145000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 150000 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 160000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 177000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 200000 | 3 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 280000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 300000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 400000 | 2 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 500000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 750000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 750760 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1000000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1350000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1692080 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 1700000 | 1 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             |