| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 335 |
27.9%
|
| 1 | Yes | 844 |
70.3%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 21 |
1.8%
|