| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 226 |
18.8%
|
| 1 | Yes | 193 |
16.1%
|
| 7 | Not applicable | 774 |
64.6%
|
| 9 | Don't know | 3 |
0.3%
|
| 998 | Refused | 0 |
0%
|