| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.2%
|
| 0 | No | 1790 |
74.6%
|
| 1 | Yes | 599 |
25%
|
| 9 | Don't know | 6 |
0.3%
|
| 98 | Refused | 0 |
0%
|