| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1AB | 516 |
5%
|
| 2 | 1C | 1803 |
17.5%
|
| 3 | Grade 2 | 3884 |
37.6%
|
| 4 | Grade 3 | 4115 |
39.9%
|