| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 252 |
35%
|
| 2 | no | 442 |
61.4%
|
| 3 | (dk) | 22 |
3.1%
|
| 4 | (ref) | 4 |
0.6%
|
| Sysmiss | 280 |