| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 482 |
65.4%
|
| 2 | no | 248 |
33.6%
|
| 3 | (dk) | 2 |
0.3%
|
| 4 | (ref) | 5 |
0.7%
|
| Sysmiss | 263 |