| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 157 |
35.8%
|
| 2 | no | 261 |
59.5%
|
| 3 | (dk) | 20 |
4.6%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 561 |