| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 2106 |
88.6%
|
| 1 | Yes | 135 |
5.7%
|
| 8 | Refused | 4 |
0.2%
|
| 9 | Don't know | 133 |
5.6%
|