| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 358 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    
| 2 | No | 23183 | 
                                                                 
                                    
                                    96.5%
                                 
                                                             | 
                                                        
                    
| 9 | Missing | 495 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 491 |