| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 251 |
32%
|
| 2 | no | 515 |
65.6%
|
| 3 | (dk) | 15 |
1.9%
|
| 4 | (ref) | 4 |
0.5%
|
| Sysmiss | 215 |