| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Below required | 10 |
1.9%
|
| 1 | As required | 395 |
76.1%
|
| 2 | Above required | 114 |
22%
|