| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 1509 |
92%
|
| 2 | no | 131 |
8%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 370 |