| Value | Category | Cases | |
|---|---|---|---|
| 0 | 30 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 1 | 1939 | 
                                                                 
                                    
                                    23.6%
                                 
                                                             | 
                                                        
                    |
| 2 | 2718 | 
                                                                 
                                    
                                    33%
                                 
                                                             | 
                                                        
                    |
| 3 | 1625 | 
                                                                 
                                    
                                    19.7%
                                 
                                                             | 
                                                        
                    |
| 4 | 862 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    |
| 5 | 477 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    |
| 6 | 6+ | 581 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             |