| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 38 |
3.2%
|
| 1 | Yes | 480 |
40%
|
| 7 | Not applicable | 580 |
48.3%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't know | 101 |
8.4%
|