| Value | Category | Cases | |
|---|---|---|---|
| -7 | Not applicable | 0 |
0%
|
| 0 | No | 1545 |
63.7%
|
| 1 | Yes | 857 |
35.3%
|
| 888 | Don't know | 16 |
0.7%
|
| 999 | Refused | 7 |
0.3%
|