| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 66 |
26.4%
|
| 0 | Below required | 74 |
29.6%
|
| 1 | As required | 73 |
29.2%
|
| 2 | Above required | 37 |
14.8%
|