| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 353 |
86.3%
|
| 2 | no | 46 |
11.2%
|
| 3 | (dk) | 7 |
1.7%
|
| 4 | (ref) | 3 |
0.7%
|
| Sysmiss | 592 |