| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 138 |
31.3%
|
| 2 | no | 295 |
66.9%
|
| 3 | (dk) | 8 |
1.8%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 559 |