| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 369 |
41%
|
| 2 | no | 491 |
54.6%
|
| 3 | (dk) | 2 |
0.2%
|
| 4 | (ref) | 38 |
4.2%
|
| Sysmiss | 105 |