| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1267 |
52.8%
|
| 1 | Yes | 989 |
41.2%
|
| 8 | Refused | 33 |
1.4%
|
| 9 | Don't know | 111 |
4.6%
|