| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    
| -8 | Refusal (spontaneous) | 14 | 
                                                                 
                                    
                                    17.7%
                                 
                                                             | 
                                                        
                    
| 0 | No payments | 52 | 
                                                                 
                                    
                                    65.8%
                                 
                                                             | 
                                                        
                    
| 2 | 2 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 5 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 10 | 6 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             | 
                                                        
                    |
| 25 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 30 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 693 |