| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1993 | 
                                                                 
                                    
                                    65%
                                 
                                                             | 
                                                        
                    
| 2 | Yes | 1072 | 
                                                                 
                                    
                                    35%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 20 |