| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1268 |
53%
|
| 1 | Yes | 1040 |
43.5%
|
| 8 | Refused | 51 |
2.1%
|
| 9 | Don't know | 33 |
1.4%
|