| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
60%
|
|
| 1 | 3 |
10%
|
|
| 2 | 3 |
10%
|
|
| 3 | 2 |
6.7%
|
|
| 4 | 2 |
6.7%
|
|
| 6 | 2 |
6.7%
|