| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 35 |
13.9%
|
| 2 | no | 194 |
77%
|
| 3 | (dk) | 20 |
7.9%
|
| 4 | (ref) | 3 |
1.2%
|
| Sysmiss | 3248 |