| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 608 |
61.1%
|
| 2 | no | 375 |
37.7%
|
| 3 | (dk) | 10 |
1%
|
| 4 | (ref) | 2 |
0.2%
|
| Sysmiss | 5 |