| Value | Category | Cases | |
|---|---|---|---|
| -8 | 2 |
0.3%
|
|
| 1 | 20 |
2.6%
|
|
| 2 | 109 |
14.2%
|
|
| 3 | 8 |
1%
|
|
| 4 | 14 |
1.8%
|
|
| 5 | 4 |
0.5%
|
|
| Missing value | 613 |
79.6%
|