| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 0 |
0%
|
| 0 | Below required | 2 |
4.1%
|
| 1 | As required | 39 |
79.6%
|
| 2 | Above required | 8 |
16.3%
|