| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 22 |
11%
|
| 2 | no | 171 |
85.5%
|
| 3 | (dk) | 7 |
3.5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 800 |