| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                    
                                    1.8%
                                 | 
| 500000 | 1 | 
                                    
                                    1.8%
                                 | |
| 900000 | 1 | 
                                    
                                    1.8%
                                 | |
| 1000000 | 1 | 
                                    
                                    1.8%
                                 | |
| 1500000 | 1 | 
                                    
                                    1.8%
                                 | |
| 1700000 | 1 | 
                                    
                                    1.8%
                                 | |
| 2000000 | 2 | 
                                    
                                    3.6%
                                 | |
| 2400000 | 1 | 
                                    
                                    1.8%
                                 | |
| 2500000 | 1 | 
                                    
                                    1.8%
                                 | |
| 2800000 | 1 | 
                                    
                                    1.8%
                                 | |
| 3000000 | 4 | 
                                    
                                    7.3%
                                 | |
| 3600000 | 1 | 
                                    
                                    1.8%
                                 | |
| 4000000 | 4 | 
                                    
                                    7.3%
                                 | |
| 4500000 | 1 | 
                                    
                                    1.8%
                                 | |
| 5000000 | 6 | 
                                    
                                    10.9%
                                 | |
| 5650000 | 1 | 
                                    
                                    1.8%
                                 | |
| 5800000 | 1 | 
                                    
                                    1.8%
                                 | |
| 6000000 | 5 | 
                                    
                                    9.1%
                                 | |
| 6415000 | 1 | 
                                    
                                    1.8%
                                 | |
| 7000000 | 7 | 
                                    
                                    12.7%
                                 | |
| 7500000 | 1 | 
                                    
                                    1.8%
                                 | |
| 8000000 | 1 | 
                                    
                                    1.8%
                                 | |
| 9000000 | 1 | 
                                    
                                    1.8%
                                 | |
| 10000000 | 1 | 
                                    
                                    1.8%
                                 | |
| 10500000 | 1 | 
                                    
                                    1.8%
                                 | |
| 15360000 | 1 | 
                                    
                                    1.8%
                                 | |
| 18500000 | 1 | 
                                    
                                    1.8%
                                 | |
| 20000000 | 2 | 
                                    
                                    3.6%
                                 | |
| 25000000 | 2 | 
                                    
                                    3.6%
                                 | |
| 65000000 | 1 | 
                                    
                                    1.8%
                                 | |
| 80000000 | 1 | 
                                    
                                    1.8%
                                 | |
| Sysmiss | 102 |