| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 80 |
11.7%
|
| 2 | no | 591 |
86.2%
|
| 3 | (dk) | 15 |
2.2%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 314 |