| Value | Category | Cases | |
|---|---|---|---|
| -7 | Not applicable | 0 |
0%
|
| 0 | No | 76 |
4.6%
|
| 1 | Yes | 1568 |
94.3%
|
| 888 | Don't know | 15 |
0.9%
|
| 999 | Refused | 3 |
0.2%
|