| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1611 |
69.3%
|
| 1 | Yes | 627 |
27%
|
| 8 | Refused | 16 |
0.7%
|
| 9 | Don't know | 70 |
3%
|