| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    1.6%
                                 | |
| 1 | 4 | 
                                    
                                    6.3%
                                 | |
| 2 | 8 | 
                                    
                                    12.7%
                                 | |
| 3 | 20 | 
                                    
                                    31.7%
                                 | |
| 4 | 12 | 
                                    
                                    19%
                                 | |
| 5 | 6 | 
                                    
                                    9.5%
                                 | |
| 6 | 7 | 
                                    
                                    11.1%
                                 | |
| 7 | 3 | 
                                    
                                    4.8%
                                 | |
| 8 | 2 | 
                                    
                                    3.2%
                                 |