| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 | 
                                    
                                    16%
                                 | 
| 1000000 | 1 | 
                                    
                                    4%
                                 | |
| 1500000 | 1 | 
                                    
                                    4%
                                 | |
| 1700000 | 2 | 
                                    
                                    8%
                                 | |
| 1900000 | 1 | 
                                    
                                    4%
                                 | |
| 2000000 | 3 | 
                                    
                                    12%
                                 | |
| 2300000 | 1 | 
                                    
                                    4%
                                 | |
| 2400000 | 1 | 
                                    
                                    4%
                                 | |
| 2700000 | 1 | 
                                    
                                    4%
                                 | |
| 3000000 | 2 | 
                                    
                                    8%
                                 | |
| 3200000 | 1 | 
                                    
                                    4%
                                 | |
| 3700000 | 2 | 
                                    
                                    8%
                                 | |
| 4000000 | 1 | 
                                    
                                    4%
                                 | |
| 4500000 | 1 | 
                                    
                                    4%
                                 | |
| 5000000 | 2 | 
                                    
                                    8%
                                 | |
| 8000000 | 1 | 
                                    
                                    4%
                                 | |
| Sysmiss | 338 |