| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 335 |
36.7%
|
| 2 | no | 538 |
59%
|
| 3 | (dk) | 38 |
4.2%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 88 |