| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3011 |
46.3%
|
| 2 | no | 412 |
6.3%
|
| 3 | I do not know | 10 |
0.2%
|
| 4 | not applicable | 128 | |
| Sysmiss | 2939 |