| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 487 |
40.6%
|
| 1 | Yes | 680 |
56.7%
|
| 8 | Refused | 5 |
0.4%
|
| 9 | Don't know | 28 |
2.3%
|