| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 9 |
0.8%
|
| 0 | No | 947 |
78.9%
|
| 1 | Yes | 168 |
14%
|
| 8 | Refused | 17 |
1.4%
|
| 9 | Don't know | 59 |
4.9%
|