| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1634 |
68.1%
|
| 1 | Yes | 761 |
31.7%
|
| 8 | Refused | 2 |
0.1%
|
| 9 | Don't know | 3 |
0.1%
|