| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 95 |
13%
|
| -8 | Refusal (spontaneous) | 9 |
1.2%
|
| 0 | No payments or gifts are paid | 620 |
85.2%
|
| 1 | 1 |
0.1%
|
|
| 10 | 1 |
0.1%
|
|
| 20 | 2 |
0.3%
|
|
| Sysmiss | 1 |