| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 | 9 |
2.5%
|
| -7 | 2 | 48 |
13.3%
|
| 0 | 3 | 234 |
65%
|
| 1 | 4 | 28 |
7.8%
|
| 2 | 5 | 26 |
7.2%
|
| 3 | 6 | 7 |
1.9%
|
| 4 | 7 | 8 |
2.2%
|
| 5 | 8 | 0 |
0%
|