| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Doesn't apply (spontaneous) | 19 |
3.2%
|
| 0 | Below required | 64 |
10.6%
|
| 1 | As required | 433 |
72%
|
| 2 | Above required | 85 |
14.1%
|