| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1AB | 531 |
5.1%
|
| 2 | 1C | 1799 |
17.4%
|
| 3 | Grade 2 | 4126 |
40%
|
| 4 | Grade 3 | 3867 |
37.5%
|