| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Yes | 171 |
14.3%
|
| 2 | No | 996 |
83%
|
| 8 | Refused | 6 |
0.5%
|
| 9 | Don't know | 27 |
2.3%
|