| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 288 |
69.9%
|
| 2 | no | 118 |
28.6%
|
| 3 | (dk) | 4 |
1%
|
| 4 | (ref) | 2 |
0.5%
|
| Sysmiss | 588 |