| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 910 |
18.6%
|
| 2 | no | 3611 |
73.8%
|
| 3 | do not know | 34 |
0.7%
|
| 4 | not applicable | 336 |
6.9%
|
| Sysmiss | 89 |