| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 32 | 
                                                                 
                                    
                                    14.4%
                                 
                                                             | 
                                                        
                    |
| 1 | 127 | 
                                                                 
                                    
                                    57.2%
                                 
                                                             | 
                                                        
                    |
| 2 | 46 | 
                                                                 
                                    
                                    20.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 8 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 4 | 6 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| 5 | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 10 | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             |