| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 8 |
0.7%
|
| 0 | No | 67 |
5.6%
|
| 1 | Yes | 92 |
7.7%
|
| 7 | Not applicable | 1033 |
86.1%
|
| 9 | Don't know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|