| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 30 | 
                                                                 
                                    
                                    81.1%
                                 
                                                             | 
                                                        
                    |
| 1 | 3 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 3 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1 |