| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 53 |
21.2%
|
| 0 | Below required | 27 |
10.8%
|
| 1 | As required | 118 |
47.2%
|
| 2 | Above required | 52 |
20.8%
|