| Value | Category | Cases | |
|---|---|---|---|
| B | 16 |
6.5%
|
|
| BG | 2 |
0.8%
|
|
| BV | 3 |
1.2%
|
|
| G | 19 |
7.8%
|
|
| V | 8 |
3.3%
|
|
| W | 189 |
77.1%
|
|
| Z | 8 |
3.3%
|