| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2545 |
12%
|
| 2 | Primary 1 | 3283 |
15.5%
|
| 3 | Primary 2 | 1787 |
8.4%
|
| 4 | Primary 3 | 1636 |
7.7%
|
| 5 | Primary 4 | 1473 |
6.9%
|
| 6 | Primary 5 | 1699 |
8%
|
| 7 | Primary 6 | 8800 |
41.5%
|