| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 712 |
59.5%
|
| 1 | Yes | 476 |
39.8%
|
| 9 | Don't know | 9 |
0.8%
|
| 998 | Refused | 0 |
0%
|