| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 25 |
7.7%
|
| 2 | No | 192 |
59.1%
|
| 8 | dk | 10 |
3.1%
|
| 9 | na | 98 |
30.2%
|
| Sysmiss | 2 |