| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 18 |
9.5%
|
| 2 | No | 170 |
89.5%
|
| 3 | Don't know | 1 |
0.5%
|
| 4 | Refused | 1 |
0.5%
|
| Sysmiss | 810 |