| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 4 |
0.3%
|
| 0 | No | 975 |
81.3%
|
| 1 | Yes | 183 |
15.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 37 |
3.1%
|