| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 862 |
37.1%
|
| 1 | Yes | 1411 |
60.7%
|
| 8 | Refused | 11 |
0.5%
|
| 9 | Don't know | 40 |
1.7%
|