| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.4%
|
| 0 | No | 152 |
12.7%
|
| 1 | Yes | 91 |
7.6%
|
| 7 | Not applicable | 952 |
79.3%
|
| 9 | Don't know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|