| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 102 |
28.1%
|
| 2 | no | 229 |
63.1%
|
| 3 | (dk) | 32 |
8.8%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 637 |