| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 383 |
21.2%
|
| 2 | no | 351 |
19.4%
|
| 3 | I do not know | 915 |
50.6%
|
| 4 | not sure | 161 |
8.9%
|
| Sysmiss | 84 |