| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1AB | 606 |
5.9%
|
| 2 | 1C | 1948 |
18.9%
|
| 3 | Grade 2 | 3786 |
36.7%
|
| 4 | Grade 3 | 3983 |
38.6%
|