| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 27 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| 2 | No | 2549 | 
                                                                 
                                    
                                    85.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 411 | 
                                                                 
                                    
                                    13.8%
                                 
                                                             |