| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 18 |
7.2%
|
| 0 | Below required | 15 |
6%
|
| 1 | As required | 152 |
60.8%
|
| 2 | Above required | 65 |
26%
|