| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 1 |
0.2%
|
| 0 | Below required | 1 |
0.2%
|
| 1 | As required | 470 |
90.6%
|
| 2 | Above required | 47 |
9.1%
|