| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
6.3%
|
| -8 | Refusal (spontaneous) | 1 |
6.3%
|
| 0 | No payments | 10 |
62.5%
|
| 3 | 1 |
6.3%
|
|
| 5 | 3 |
18.8%
|
|
| Sysmiss | 217 |