| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 257 |
62.4%
|
| 2 | no | 151 |
36.7%
|
| 3 | (dk) | 3 |
0.7%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 588 |