| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 55 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 2 | No | 284 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2648 | 
                                                                 
                                    
                                    88.7%
                                 
                                                             |