| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1939 |
80.5%
|
| 1 | Yes | 302 |
12.5%
|
| 8 | Refused | 51 |
2.1%
|
| 9 | Don't know | 118 |
4.9%
|