| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 49 |
28.3%
|
| 2 | no | 122 |
70.5%
|
| 3 | (dk) | 2 |
1.2%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 827 |