| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
3.1%
|
| -8 | Refusal (spontaneous) | 1 |
0.6%
|
| 0 | No payments | 151 |
95%
|
| 3 | 1 |
0.6%
|
|
| 10 | 1 |
0.6%
|
|
| Sysmiss | 1080 |