| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 447 |
40.5%
|
| 1 | Yes | 587 |
53.2%
|
| 8 | Refused | 20 |
1.8%
|
| 9 | Don't know | 50 |
4.5%
|