| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 831 |
75.3%
|
| 1 | Yes | 254 |
23%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don't know | 13 |
1.2%
|