| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 0 |
0%
|
| 0 | Below required | 1 |
2%
|
| 1 | As required | 31 |
63.3%
|
| 2 | Above required | 17 |
34.7%
|