| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 223 |
27.1%
|
| 2 | no | 454 |
55.1%
|
| 3 | (dk) | 147 |
17.8%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 176 |