| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0%
|
|
| 1 | Grade 1-5 | 2484 |
25.6%
|
| 2 | Grade 1-8 | 489 |
5%
|
| 3 | Grade 1-11 | 4203 |
43.3%
|
| 4 | Grade 1-13 | 2214 |
22.8%
|
| 5 | Grade 6-11 | 27 |
0.3%
|
| 6 | Grade 6-13 | 299 |
3.1%
|
| Sysmiss | 248 |