| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
12%
|
| 0 | 1 |
2%
|
|
| 1 | 19 |
38%
|
|
| 2 | 8 |
16%
|
|
| 3 | 3 |
6%
|
|
| 5 | 7 |
14%
|
|
| 10 | 1 |
2%
|
|
| 25 | 1 |
2%
|
|
| 50 | 3 |
6%
|
|
| 100 | 1 |
2%
|
|
| Sysmiss | 379 |