| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
17.2%
|
| -8 | Refusal (spontaneous) | 1 |
1.7%
|
| 0 | No payments | 41 |
70.7%
|
| 1 | 1 |
1.7%
|
|
| 5 | 2 |
3.4%
|
|
| 10 | 1 |
1.7%
|
|
| 15 | 1 |
1.7%
|
|
| 20 | 1 |
1.7%
|
|
| Sysmiss | 319 |