| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 293 |
18.5%
|
| 1 | Yes | 236 |
14.9%
|
| 8 | Refused | 12 |
0.8%
|
| 9 | Don't know | 1039 |
65.8%
|