| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 13759 |
12.6%
|
| 2 | no | 94518 |
86.7%
|
| 3 | (dk) | 516 |
0.5%
|
| 4 | (ref) | 183 |
0.2%
|
| Sysmiss | 40785 |