| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 8 |
0.7%
|
| 0 | No | 623 |
51.9%
|
| 1 | Yes | 484 |
40.3%
|
| 8 | Refused | 18 |
1.5%
|
| 9 | Don't know | 67 |
5.6%
|