| Value | Category | Cases | |
|---|---|---|---|
| 1 | primary | 8796 | 
                                                                 
                                    
                                    56.6%
                                 
                                                             | 
                                                        
                    
| 2 | lowest secondary | 4150 | 
                                                                 
                                    
                                    26.7%
                                 
                                                             | 
                                                        
                    
| 3 | upper secondary | 1991 | 
                                                                 
                                    
                                    12.8%
                                 
                                                             | 
                                                        
                    
| 4 | higher | 614 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    
| 11 | .Z | 3203 |