| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
29.4%
|
|
| 1 | 19 |
27.9%
|
|
| 2 | 16 |
23.5%
|
|
| 3 | 9 |
13.2%
|
|
| 4 | 3 |
4.4%
|
|
| 9 | 1 |
1.5%
|