| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 20363 |
29.9%
|
| 2 | no | 45281 |
66.6%
|
| 3 | (dk) | 1771 |
2.6%
|
| 4 | (ref) | 600 |
0.9%
|
| Sysmiss | 78673 |