| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 60 | 67 | 
                            
                             
                                
                                85.9%
                                                             
                            
                         | 
                        
                    
| 1 | 60+ | 3 | 
                            
                             
                                
                                3.8%
                                                             
                            
                         | 
                        
                    
| 5 | Missing | 8 | 
                            
                             
                                
                                10.3%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 521 |