| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 760 |
63.3%
|
| 1 | Yes | 394 |
32.8%
|
| 8 | Refused | 20 |
1.7%
|
| 9 | Don't know | 23 |
1.9%
|