| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 0 |
0%
|
| 0 | Below required | 3 |
6.1%
|
| 1 | As required | 27 |
55.1%
|
| 2 | Above required | 19 |
38.8%
|