| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 50 |
25.4%
|
| 2 | no | 145 |
73.6%
|
| 3 | (dk) | 1 |
0.5%
|
| 4 | (ref) | 1 |
0.5%
|
| Sysmiss | 803 |