| Value | Category | Cases | |
|---|---|---|---|
| - | 273 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    |
| 0-7 | 1108 | 
                                                                 
                                    
                                    18.4%
                                 
                                                             | 
                                                        
                    |
| 14-21 | 694 | 
                                                                 
                                    
                                    11.5%
                                 
                                                             | 
                                                        
                    |
| 7-14 | 3944 | 
                                                                 
                                    
                                    65.5%
                                 
                                                             |