| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 58 |
19.5%
|
| 2 | no | 220 |
74.1%
|
| 3 | (dk) | 14 |
4.7%
|
| 4 | (ref) | 5 |
1.7%
|
| Sysmiss | 703 |