| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 60 | 67 | 
                            
                             
                                
                                36.8%
                                                             
                            
                         | 
                        
                    
| 1 | 60+ | 46 | 
                            
                             
                                
                                25.3%
                                                             
                            
                         | 
                        
                    
| 5 | Missing | 69 | 
                            
                             
                                
                                37.9%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 1029 |