| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 153 |
16.3%
|
| 2 | no | 751 |
80.2%
|
| 3 | (dk) | 32 |
3.4%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 66 |