| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 521 |
61.1%
|
| 2 | no | 330 |
38.7%
|
| 3 | (dk) | 1 |
0.1%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 149 |