| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
1.3%
|
| -8 | Refusal (spontaneous) | 1 |
0.2%
|
| 0 | No payments or gifts are paid | 590 |
97.7%
|
| 1 | 4 |
0.7%
|
|
| 5 | 1 |
0.2%
|
|
| Sysmiss | 8 |