| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 11 |
9.9%
|
| 0 | Below required | 19 |
17.1%
|
| 1 | As required | 71 |
64%
|
| 2 | Above required | 10 |
9%
|