| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| -8 | Refusal (spontaneous) | 4 | 
                                    
                                    2.7%
                                 | 
| 0 | No payments or gifts are paid | 138 | 
                                    
                                    92%
                                 | 
| 2 | 3 | 
                                    
                                    2%
                                 | |
| 10 | 1 | 
                                    
                                    0.7%
                                 | |
| 15 | 1 | 
                                    
                                    0.7%
                                 | |
| 40 | 1 | 
                                    
                                    0.7%
                                 | |
| 80 | 2 | 
                                    
                                    1.3%
                                 |