| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1535 |
63.1%
|
| 1 | Yes | 852 |
35%
|
| 8 | Refused | 7 |
0.3%
|
| 9 | Don't know | 37 |
1.5%
|