| Value | Category | Cases | |
|---|---|---|---|
| Grade 10 | 6 |
12.2%
|
|
| Grade 11 | 8 |
16.3%
|
|
| Grade 12 | 4 |
8.2%
|
|
| Grade 3 | 1 |
2%
|
|
| Grade 4 | 3 |
6.1%
|
|
| Grade 5 | 3 |
6.1%
|
|
| Grade 6 | 3 |
6.1%
|
|
| Grade 7 | 8 |
16.3%
|
|
| Grade 8 | 8 |
16.3%
|
|
| Grade 9 | 5 |
10.2%
|