| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 | 
                                    
                                    9.1%
                                 | 
| 0 | 2 | 
                                    
                                    4.5%
                                 | |
| 20000 | 1 | 
                                    
                                    2.3%
                                 | |
| 60000 | 1 | 
                                    
                                    2.3%
                                 | |
| 80000 | 1 | 
                                    
                                    2.3%
                                 | |
| 350000 | 1 | 
                                    
                                    2.3%
                                 | |
| 700000 | 1 | 
                                    
                                    2.3%
                                 | |
| 1000000 | 2 | 
                                    
                                    4.5%
                                 | |
| 2000000 | 4 | 
                                    
                                    9.1%
                                 | |
| 2400000 | 1 | 
                                    
                                    2.3%
                                 | |
| 2500000 | 1 | 
                                    
                                    2.3%
                                 | |
| 3000000 | 7 | 
                                    
                                    15.9%
                                 | |
| 3450000 | 1 | 
                                    
                                    2.3%
                                 | |
| 3500000 | 1 | 
                                    
                                    2.3%
                                 | |
| 4000000 | 1 | 
                                    
                                    2.3%
                                 | |
| 5000000 | 3 | 
                                    
                                    6.8%
                                 | |
| 6000000 | 2 | 
                                    
                                    4.5%
                                 | |
| 10000000 | 2 | 
                                    
                                    4.5%
                                 | |
| 10700000 | 1 | 
                                    
                                    2.3%
                                 | |
| 11000000 | 2 | 
                                    
                                    4.5%
                                 | |
| 18000000 | 1 | 
                                    
                                    2.3%
                                 | |
| 20000000 | 3 | 
                                    
                                    6.8%
                                 | |
| 36000000 | 1 | 
                                    
                                    2.3%
                                 | |
| Sysmiss | 67 |