| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
16.7%
|
|
| 1 | 12 |
40%
|
|
| 2 | 4 |
13.3%
|
|
| 3 | 3 |
10%
|
|
| 4 | 4 |
13.3%
|
|
| 6 | 2 |
6.7%
|