| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 195 |
18.6%
|
| 1 | Yes | 823 |
78.5%
|
| 8 | Refused | 12 |
1.1%
|
| 9 | Don't know | 18 |
1.7%
|