| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 349 |
20.1%
|
| 2 | no | 297 |
17.1%
|
| 3 | I do not know | 910 |
52.4%
|
| 4 | not sure | 182 |
10.5%
|
| Sysmiss | 34 |