| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| 0 | No payments | 8 |
80%
|
| 15 | 1 |
10%
|
|
| 20 | 1 |
10%
|
|
| Sysmiss | 101 |