| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 222 |
30%
|
| 2 | no | 505 |
68.2%
|
| 3 | (dk) | 13 |
1.8%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 260 |