| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
17.6%
|
| -8 | Refusal (spontaneous) | 1 |
5.9%
|
| 0 | No payments | 12 |
70.6%
|
| 40 | 1 |
5.9%
|
|
| Sysmiss | 132 |