| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 1349 |
26.1%
|
| 2 | no | 828 |
16%
|
| 3 | not sure | 1189 |
23%
|
| 4 | do not know | 1810 |
35%
|
| Sysmiss | 8 |