| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 546 |
22.8%
|
| 1 | Yes | 1396 |
58.2%
|
| 8 | Refused | 8 |
0.3%
|
| 9 | Don't know | 450 |
18.8%
|