| Value | Category | Cases | |
|---|---|---|---|
| a | 6 |
3.1%
|
|
| ab | 1 |
0.5%
|
|
| abc | 2 |
1%
|
|
| ac | 1 |
0.5%
|
|
| ad | 2 |
1%
|
|
| bc | 1 |
0.5%
|
|
| c | 100 |
52.1%
|
|
| cd | 20 |
10.4%
|
|
| d | 59 |
30.7%
|