| Value | Category | Cases | |
|---|---|---|---|
| A | 161 |
17.9%
|
|
| B | 147 |
16.4%
|
|
| C | 460 |
51.2%
|
|
| D | 59 |
6.6%
|
|
| E | 34 |
3.8%
|
|
| G | 30 |
3.3%
|
|
| X | 7 |
0.8%
|
|
| Z | 1 |
0.1%
|