| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 321 |
26.8%
|
| 1 | Yes | 328 |
27.3%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 549 |
45.8%
|