| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | No | 1655 |
69%
|
| 1 | Yes | 738 |
30.8%
|
| 9 | Don't know | 5 |
0.2%
|
| 998 | Refused | 0 |
0%
|