| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 | 
                                                                 
                                    
                                    88%
                                 
                                                             | 
                                                        
                    |
| 2 | 1 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    |
| 3 | 2 | 
                                                                 
                                    
                                    8%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 14 |