| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 277 |
23.1%
|
| 1 | Yes | 497 |
41.4%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 424 |
35.3%
|