| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 139 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    
| 2 | No | 3647 | 
                                                                 
                                    
                                    96.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 20 |