| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1403 |
60.4%
|
| 1 | Yes | 911 |
39.2%
|
| 9 | Don't know | 10 |
0.4%
|
| 998 | Refused | 0 |
0%
|