| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
7%
|
| -8 | Refusal (spontaneous) | 2 |
1.8%
|
| 0 | No payments | 96 |
84.2%
|
| 1 | 2 |
1.8%
|
|
| 5 | 1 |
0.9%
|
|
| 10 | 5 |
4.4%
|
|
| Sysmiss | 972 |