| Value | Category | Cases | |
|---|---|---|---|
| -9 | 616 | 
                                
                                11.4%
                             | |
| 0 | 2092 | 
                                
                                38.8%
                             | |
| 1 | 1404 | 
                                
                                26%
                             | |
| 5 | 310 | 
                                
                                5.7%
                             | |
| 9 | 972 | 
                                
                                18%
                             |