| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 13972 |
16.1%
|
| 2 | no | 71893 |
82.8%
|
| 3 | (dk) | 603 |
0.7%
|
| 4 | (ref) | 328 |
0.4%
|
| Sysmiss | 68127 |