| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 16 |
7.4%
|
| 2 | no | 199 |
91.7%
|
| 3 | (dk) | 2 |
0.9%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 783 |