| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1612 |
67.4%
|
| 1 | Yes | 745 |
31.1%
|
| 8 | Refused | 12 |
0.5%
|
| 9 | Don't know | 23 |
1%
|