| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 209 |
70.4%
|
| 2 | no | 84 |
28.3%
|
| 3 | (dk) | 1 |
0.3%
|
| 4 | (ref) | 3 |
1%
|
| Sysmiss | 703 |