| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 89 |
17.1%
|
| 2 | no | 424 |
81.7%
|
| 3 | (dk) | 6 |
1.2%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 481 |