| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.1%
|
| -7 | Does not apply (spontaneous) | 2 |
0.2%
|
| 0 | Below required | 88 |
8.8%
|
| 1 | As required | 799 |
80.3%
|
| 2 | Above required | 105 |
10.6%
|