| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | No | 1881 |
78.4%
|
| 1 | Yes | 510 |
21.3%
|
| 9 | Don't know | 8 |
0.3%
|
| 98 | Refused | 0 |
0%
|