| Value | Category | Cases | |
|---|---|---|---|
| 1 | Grade 6 | 25 |
1.6%
|
| 2 | Grade 7 | 438 |
28.2%
|
| 3 | Grade 8 | 704 |
45.3%
|
| 4 | Grade 9 | 376 |
24.2%
|
| 5 | Grade 10 | 4 |
0.3%
|
| 6 | Special or other | 6 |
0.4%
|
| Sysmiss | 21 |