| Value | Category | Cases | |
|---|---|---|---|
| 0 | 470 | 
                                                                 
                                    
                                    80.3%
                                 
                                                             | 
                                                        
                    |
| 1 | 17 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 2 | 27 | 
                                                                 
                                    
                                    4.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 30 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| 4 | 21 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 5 | 4 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 6 | 6 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 7 | 10 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             |