| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 180 |
43.4%
|
| 2 | no | 224 |
54%
|
| 3 | (dk) | 9 |
2.2%
|
| 4 | (ref) | 2 |
0.5%
|
| Sysmiss | 585 |