| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 173 |
61.6%
|
| 2 | no | 106 |
37.7%
|
| 3 | (dk) | 1 |
0.4%
|
| 4 | (ref) | 1 |
0.4%
|
| Sysmiss | 719 |