| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 2 |
0.2%
|
| 0 | No | 947 |
79%
|
| 1 | Yes | 219 |
18.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 31 |
2.6%
|