| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 | 
                                                                 
                                    
                                    15.8%
                                 
                                                             | 
                                                        
                    
| 100 | 1 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 150 | 1 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 250 | 1 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 350 | 3 | 
                                                                 
                                    
                                    7.9%
                                 
                                                             | 
                                                        
                    |
| 500 | 8 | 
                                                                 
                                    
                                    21.1%
                                 
                                                             | 
                                                        
                    |
| 1000 | 4 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    |
| 1500 | 1 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 2000 | 1 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| 3000 | 4 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    |
| 5000 | 4 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    |
| 6000 | 3 | 
                                                                 
                                    
                                    7.9%
                                 
                                                             | 
                                                        
                    |
| 19500 | 1 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 118 |