| Value | Category | Cases | |
|---|---|---|---|
| 1 | 459 | 
                                                                 
                                    
                                    18.9%
                                 
                                                             | 
                                                        
                    |
| 3 | 1970 | 
                                                                 
                                    
                                    81.1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1105 |