| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5-9 | 7761 | 
                                                                 
                                    
                                    52.2%
                                 
                                                             | 
                                                        
                    
| 2 | 10-14 | 4760 | 
                                                                 
                                    
                                    32%
                                 
                                                             | 
                                                        
                    
| 3 | 15-17 | 2311 | 
                                                                 
                                    
                                    15.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 33 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |