| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
3.2%
|
| -7 | Doesn't apply (spontaneous) | 48 |
11.9%
|
| 0 | Below required | 32 |
8%
|
| 1 | As required | 278 |
69.2%
|
| 2 | Above required | 31 |
7.7%
|