| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1281 | 
                                                                 
                                    
                                    98.3%
                                 
                                                             | 
                                                        
                    
| 2 | No | 22 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1 |