| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 437 |
23%
|
| 2 | no | 365 |
19.3%
|
| 3 | I do not know | 893 |
47.1%
|
| 4 | not sure | 201 |
10.6%
|
| Sysmiss | 9 |