| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1882 |
77.4%
|
| 1 | Yes | 469 |
19.3%
|
| 8 | Refused | 13 |
0.5%
|
| 9 | Don't know | 67 |
2.8%
|