| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 4 |
11.8%
|
| 5 | 1 |
2.9%
|
|
| 14 | 1 |
2.9%
|
|
| 17 | 1 |
2.9%
|
|
| 18 | 17 |
50%
|
|
| 19 | 3 |
8.8%
|
|
| 20 | 1 |
2.9%
|
|
| 21 | 1 |
2.9%
|
|
| 22 | 3 |
8.8%
|
|
| 24 | 1 |
2.9%
|
|
| 71 | 1 |
2.9%
|
|
| Sysmiss | 114 |