| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 69 |
20.7%
|
| 2 | no | 235 |
70.4%
|
| 3 | (dk) | 30 |
9%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 666 |