| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | No | 933 |
77.8%
|
| 1 | Yes | 254 |
21.2%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don't know | 8 |
0.7%
|