| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 69 |
16.2%
|
| 2 | no | 349 |
81.9%
|
| 3 | (dk) | 5 |
1.2%
|
| 4 | (ref) | 3 |
0.7%
|
| Sysmiss | 574 |