| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 - 11 | 30674 | 
                                                                 
                                    
                                    59%
                                 
                                                             | 
                                                        
                    
| 2 | 12 - 14 | 11332 | 
                                                                 
                                    
                                    21.8%
                                 
                                                             | 
                                                        
                    
| 3 | 15 | 3742 | 
                                                                 
                                    
                                    7.2%
                                 
                                                             | 
                                                        
                    
| 4 | 16 - 17 | 6253 | 
                                                                 
                                    
                                    12%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 70445 |