| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 470 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    
| 2 | No | 23129 | 
                                                                 
                                    
                                    96.2%
                                 
                                                             | 
                                                        
                    
| 9 | Missing | 437 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 491 |