| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 37 | 
                                    
                                    12%
                                 | 
| -8 | Refusal (spontaneous) | 41 | 
                                    
                                    13.3%
                                 | 
| 0 | No payments or gifts are paid | 223 | 
                                    
                                    72.2%
                                 | 
| 1 | 3 | 
                                    
                                    1%
                                 | |
| 2 | 1 | 
                                    
                                    0.3%
                                 | |
| 5 | 1 | 
                                    
                                    0.3%
                                 | |
| 10 | 2 | 
                                    
                                    0.6%
                                 | |
| 20 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 2 |