| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 723 |
60.3%
|
| 1 | Yes | 463 |
38.6%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 9 |
0.8%
|