| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grades 1-5 | 2508 |
25.8%
|
| 2 | Grades 1-8 | 519 |
5.3%
|
| 3 | Grades 1-11 | 4209 |
43.3%
|
| 4 | Grades 1-13 | 2154 |
22.2%
|
| 5 | Grades 6-11 | 29 |
0.3%
|
| 6 | Grades 6-13 | 304 |
3.1%
|