| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 763 |
11.7%
|
| 2 | no | 682 |
10.5%
|
| 3 | I do not know | 21 |
0.3%
|
| 4 | not applicable | 2095 | |
| Sysmiss | 2939 |