| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 1503 |
4.1%
|
| 2 | no | 34832 |
95.1%
|
| 3 | (dk) | 253 |
0.7%
|
| 4 | (ref) | 41 |
0.1%
|
| Sysmiss | 118294 |