| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 7 |
0.3%
|
| 0 | No | 409 |
17%
|
| 1 | Yes | 406 |
16.9%
|
| 7 | Not applicable | 1555 |
64.8%
|
| 9 | Don't know | 23 |
1%
|
| 998 | Refused | 0 |
0%
|