| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2%
|
| -7 | Doesn't apply (spontaneous) | 2 |
1.3%
|
| 0 | Below required | 17 |
11.3%
|
| 1 | As required | 124 |
82.1%
|
| 2 | Above required | 5 |
3.3%
|