| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 | 
                                
                                0.1%
                             | |
| 0 | 1362 | 
                                
                                81.4%
                             | |
| 1 | 282 | 
                                
                                16.9%
                             | |
| 9 | 28 | 
                                
                                1.7%
                             |