| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
5.6%
|
| -8 | Refusal (spontaneous) | 8 |
3%
|
| 0 | No payments | 208 |
78.2%
|
| 1 | 10 |
3.8%
|
|
| 2 | 3 |
1.1%
|
|
| 3 | 6 |
2.3%
|
|
| 5 | 5 |
1.9%
|
|
| 10 | 8 |
3%
|
|
| 18 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| 30 | 1 |
0.4%
|
|
| Sysmiss | 1729 |