| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 233 |
33.4%
|
| 2 | no | 461 |
66.1%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 3 |
0.4%
|
| Sysmiss | 309 |