| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| -8 | Refusal (spontaneous) | 7 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    
| 0 | No payments or gifts are paid | 328 | 
                                                                 
                                    
                                    94.3%
                                 
                                                             | 
                                                        
                    
| 1 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 10 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 15 | 5 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 67 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 16 |