| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 12 |
24.5%
|
| 0 | Below required | 6 |
12.2%
|
| 1 | As required | 24 |
49%
|
| 2 | Above required | 7 |
14.3%
|