| Value | Category | Cases | |
|---|---|---|---|
| 0 | 251 | 
                                                                 
                                    
                                    81%
                                 
                                                             | 
                                                        
                    |
| 1 | 31 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    |
| 2 | 20 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 3 | 3 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 4 | 2 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 5 | 2 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 6 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             |