| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                    
                                    7.4%
                                 | 
| 500 | 1 | 
                                    
                                    3.7%
                                 | |
| 1000 | 3 | 
                                    
                                    11.1%
                                 | |
| 3000 | 1 | 
                                    
                                    3.7%
                                 | |
| 3300 | 1 | 
                                    
                                    3.7%
                                 | |
| 5000 | 1 | 
                                    
                                    3.7%
                                 | |
| 10000 | 4 | 
                                    
                                    14.8%
                                 | |
| 15000 | 1 | 
                                    
                                    3.7%
                                 | |
| 20000 | 2 | 
                                    
                                    7.4%
                                 | |
| 30000 | 2 | 
                                    
                                    7.4%
                                 | |
| 40000 | 1 | 
                                    
                                    3.7%
                                 | |
| 50000 | 1 | 
                                    
                                    3.7%
                                 | |
| 80000 | 1 | 
                                    
                                    3.7%
                                 | |
| 120000 | 1 | 
                                    
                                    3.7%
                                 | |
| 230000 | 1 | 
                                    
                                    3.7%
                                 | |
| 1000000 | 3 | 
                                    
                                    11.1%
                                 | |
| 2000000 | 1 | 
                                    
                                    3.7%
                                 | |
| Sysmiss | 618 |