| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 911 |
93.8%
|
| 2 | no | 53 |
5.5%
|
| 3 | (dk) | 3 |
0.3%
|
| 4 | (ref) | 4 |
0.4%
|
| Sysmiss | 36 |