| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 591 |
69.6%
|
| 2 | no | 241 |
28.4%
|
| 3 | (dk) | 6 |
0.7%
|
| 4 | (ref) | 11 |
1.3%
|
| Sysmiss | 152 |