| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 9 |
0.8%
|
| 0 | No | 165 |
13.8%
|
| 1 | Yes | 61 |
5.1%
|
| 7 | Not applicable | 965 |
80.4%
|
| 9 | Don't know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|