| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 2281 |
35.1%
|
| 2 | no | 995 |
15.3%
|
| 3 | I do not know | 29 |
0.4%
|
| 4 | not applicable | 256 | |
| Sysmiss | 2939 |