| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 23 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 2 | No | 339 | 
                                                                 
                                    
                                    11.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2625 | 
                                                                 
                                    
                                    87.9%
                                 
                                                             |