| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1456 |
13.5%
|
| 2 | No | 3875 |
36%
|
| 3 | Do not know | 744 |
6.9%
|
| 4 | Not applicable | 4685 |
43.5%
|
| Sysmiss | 18902 |