| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1685 |
72.5%
|
| 1 | Yes | 549 |
23.6%
|
| 8 | Refused | 14 |
0.6%
|
| 9 | Don't know | 76 |
3.3%
|