| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | No | 1921 |
79%
|
| 1 | Yes | 397 |
16.3%
|
| 8 | Refused | 25 |
1%
|
| 9 | Don't know | 87 |
3.6%
|