| Value | Category | Cases | |
|---|---|---|---|
| -7 | 6 |
5%
|
|
| 0 | 87 |
72.5%
|
|
| 1 | 7 |
5.8%
|
|
| 2 | 10 |
8.3%
|
|
| 3 | 7 |
5.8%
|
|
| 4 | 3 |
2.5%
|