| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 45 |
7.1%
|
| 2 | No | 570 |
89.3%
|
| 3 | Don't know | 20 |
3.1%
|
| 4 | Refused | 3 |
0.5%
|
| Sysmiss | 362 |