| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 6 |
66.7%
|
| 2 | No | 1 |
11.1%
|
| 8 | dk | 0 |
0%
|
| 9 | na | 2 |
22.2%
|
| Sysmiss | 201 |