| Value | Category | Cases | |
|---|---|---|---|
| -7 | Not applicable | 0 |
0%
|
| 0 | No | 1973 |
81.4%
|
| 1 | Yes | 437 |
18%
|
| 888 | 8 |
0.3%
|
|
| 999 | Refused | 7 |
0.3%
|