| Value | Category | Cases | |
|---|---|---|---|
| 1 | General certificate | 551 | 
                                                                 
                                    
                                    67.6%
                                 
                                                             | 
                                                        
                    
| 2 | Diploma certificate | 241 | 
                                                                 
                                    
                                    29.6%
                                 
                                                             | 
                                                        
                    
| 3 | Higher diploma certificate | 23 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             |