| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
25.4%
|
|
| 1 | 21 |
35.6%
|
|
| 2 | 10 |
16.9%
|
|
| 3 | 7 |
11.9%
|
|
| 4 | 5 |
8.5%
|
|
| 7 | 1 |
1.7%
|