| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 107 |
36%
|
| 2 | no | 160 |
53.9%
|
| 3 | (dk) | 28 |
9.4%
|
| 4 | (ref) | 2 |
0.7%
|
| Sysmiss | 703 |