| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. No | 1939 | 
                                                                 
                                    
                                    96.4%
                                 
                                                             | 
                                                        
                    
| 1 | 1. Yes | 73 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2397 |