| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 39 |
66.1%
|
| 2 | no | 19 |
32.2%
|
| 3 | (dk) | 1 |
1.7%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 941 |