| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 156 | 
                                    
                                    11.1%
                                 | 
| -8 | Refusal (spontaneous) | 24 | 
                                    
                                    1.7%
                                 | 
| 0 | No payments or gifts are paid | 1219 | 
                                    
                                    86.5%
                                 | 
| 1 | 4 | 
                                    
                                    0.3%
                                 | |
| 2 | 2 | 
                                    
                                    0.1%
                                 | |
| 5 | 3 | 
                                    
                                    0.2%
                                 | |
| 20 | 1 | 
                                    
                                    0.1%
                                 | |
| 35 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 6 |