| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | No | 818 |
74.1%
|
| 1 | Yes | 267 |
24.2%
|
| 8 | Refused | 6 |
0.5%
|
| 9 | Don't know | 11 |
1%
|