| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2%
|
| -7 | Doesn't apply (spontaneous) | 2 |
1.3%
|
| 0 | Below required | 18 |
11.9%
|
| 1 | As required | 116 |
76.8%
|
| 2 | Above required | 12 |
7.9%
|