| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.3%
|
| -7 | Doesn't apply (spontaneous) | 3 |
2%
|
| 0 | Below required | 22 |
14.6%
|
| 1 | As required | 115 |
76.2%
|
| 2 | Above required | 9 |
6%
|