| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 10 |
0.9%
|
| 2 | Low | 78 |
7.2%
|
| 3 | High | 585 |
53.7%
|
| 4 | Certain | 415 |
38.1%
|
| 9 | Missing | 2 |
0.2%
|