| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 151 |
19%
|
| 2 | no | 608 |
76.6%
|
| 3 | (dk) | 35 |
4.4%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 206 |