| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 781 |
32.5%
|
| 1 | Yes | 1529 |
63.7%
|
| 8 | Refused | 21 |
0.9%
|
| 9 | Don't know | 69 |
2.9%
|