| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 240 |
19.9%
|
| 1 | Yes | 965 |
79.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 3 |
0.2%
|