| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 23 |
10.6%
|
| 2 | no | 193 |
88.9%
|
| 3 | (dk) | 1 |
0.5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 783 |