| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 | 
                                                                 
                                    
                                    12.7%
                                 
                                                             | 
                                                        
                    
| 0 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 250 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 40000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 75000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 80000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 100000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 120000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 150000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 180000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 200000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 250000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 270000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 300000 | 3 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 370000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 400000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 500000 | 6 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    |
| 600000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 700000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 800000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 1000000 | 11 | 
                                                                 
                                    
                                    10.8%
                                 
                                                             | 
                                                        
                    |
| 1200000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 1500000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 2000000 | 10 | 
                                                                 
                                    
                                    9.8%
                                 
                                                             | 
                                                        
                    |
| 2200000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 2500000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 3000000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 3500000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 4500000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 5000000 | 11 | 
                                                                 
                                    
                                    10.8%
                                 
                                                             | 
                                                        
                    |
| 7000000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 8000000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 10000000 | 5 | 
                                                                 
                                    
                                    4.9%
                                 
                                                             | 
                                                        
                    |
| 11000000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 15000000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| 40000000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 55000000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 100000000 | 2 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 286 |