| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.5%
|
| -7 | Doesn't apply (spontaneous) | 113 |
18.8%
|
| 0 | Below required | 44 |
7.3%
|
| 1 | As required | 369 |
61.4%
|
| 2 | Above required | 72 |
12%
|