| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | No | 961 |
80.1%
|
| 1 | Yes | 226 |
18.8%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 9 |
0.8%
|