| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 316 |
42.9%
|
| 2 | no | 372 |
50.5%
|
| 3 | (dk) | 7 |
0.9%
|
| 4 | (ref) | 42 |
5.7%
|
| Sysmiss | 263 |