| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 79 |
15.2%
|
| 2 | no | 435 |
83.8%
|
| 3 | (dk) | 5 |
1%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 481 |