| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 172 |
17.7%
|
| 2 | no | 721 |
74.1%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 80 |
8.2%
|
| Sysmiss | 36 |