| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 | 
                                    
                                    18.7%
                                 | 
| -8 | Refusal (spontaneous) | 4 | 
                                    
                                    3.7%
                                 | 
| 0 | No payments or gifts are paid | 66 | 
                                    
                                    61.7%
                                 | 
| 2 | 2 | 
                                    
                                    1.9%
                                 | |
| 4 | 1 | 
                                    
                                    0.9%
                                 | |
| 10 | 1 | 
                                    
                                    0.9%
                                 | |
| 15 | 1 | 
                                    
                                    0.9%
                                 | |
| 20 | 5 | 
                                    
                                    4.7%
                                 | |
| 30 | 1 | 
                                    
                                    0.9%
                                 | |
| 70 | 2 | 
                                    
                                    1.9%
                                 | |
| 80 | 3 | 
                                    
                                    2.8%
                                 | |
| 90 | 1 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 4 |