| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | 18 - 20 | 2479 | 2521 | 
                                                                 
                                    
                                    31.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 21 - 23 | 1881 | 1867 | 
                                                                 
                                    
                                    23%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | 24 - 26 | 1786 | 1840 | 
                                                                 
                                    
                                    22.7%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 4 | 27 - 30 | 1905 | 1886 | 
                                                                 
                                    
                                    23.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 7029 | 6966 |