| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
2.7%
|
| -8 | Refusal (spontaneous) | 7 |
1.5%
|
| 0 | No payments or gifts are paid | 450 |
95.1%
|
| 1 | 1 |
0.2%
|
|
| 2 | 1 |
0.2%
|
|
| 10 | 1 |
0.2%
|
|
| Sysmiss | 1 |