| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 0 |
0%
|
| 0 | Below required | 4 |
8.2%
|
| 1 | As required | 29 |
59.2%
|
| 2 | Above required | 16 |
32.7%
|