| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 170 |
22.7%
|
| 2 | no | 561 |
74.8%
|
| 3 | (dk) | 19 |
2.5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 250 |