| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 366 |
15.1%
|
| 1 | Yes | 1977 |
81.3%
|
| 8 | Refused | 63 |
2.6%
|
| 9 | Don't know | 25 |
1%
|