| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 33 | 
                                                                 
                                    
                                    89.2%
                                 
                                                             | 
                                                        
                    |
| 4 | 1 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1345 |