| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 44198 |
64.6%
|
| 2 | no | 22493 |
32.9%
|
| 3 | (dk) | 1210 |
1.8%
|
| 4 | (ref) | 485 |
0.7%
|
| Sysmiss | 86537 |