| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 13387 |
11.6%
|
| 2 | no | 101006 |
87.4%
|
| 3 | (dk) | 706 |
0.6%
|
| 4 | (ref) | 464 |
0.4%
|
| Sysmiss | 31125 |