| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.3%
|
| -7 | Doesn't apply (spontaneous) | 1 |
0.7%
|
| 0 | Below required | 55 |
36.4%
|
| 1 | As required | 87 |
57.6%
|
| 2 | Above required | 6 |
4%
|