| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 996 |
83%
|
| 1 | Yes | 127 |
10.6%
|
| 8 | Refused | 25 |
2.1%
|
| 9 | Don't know | 49 |
4.1%
|