| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 7 |
14.3%
|
| 0 | Below required | 2 |
4.1%
|
| 1 | As required | 29 |
59.2%
|
| 2 | Above required | 11 |
22.4%
|