| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 627 |
56.8%
|
| 1 | Yes | 466 |
42.2%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don't know | 5 |
0.5%
|