| Value | 
                    Category | 
                                                                            
                                    
                    
                        | 100 | 
                        None  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 110 | 
                        Illiterate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 120 | 
                        Read only  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 130 | 
                        Read AND write  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 140 | 
                        Literacy classes/certificate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 150 | 
                        Never attended school  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 160 | 
                        KG  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 170 | 
                        Koranic KG (Kouttab)  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 180 | 
                        Attending elementary school and did not complete first level  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 200 | 
                        Primary/Lower secondary  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 210 | 
                        Primary  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 220 | 
                        Preparatory  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 230 | 
                        Lower secondary  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 240 | 
                        Professional/Vocational below secondary education  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 300 | 
                        Secondary  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 310 | 
                        Academic secondary  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 320 | 
                        Professional/Vocational secondary  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 400 | 
                        Post secondary or equivalent  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 500 | 
                        University  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 600 | 
                        Postgraduate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 610 | 
                        High diploma  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 620 | 
                        Masters  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 630 | 
                        PhD  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 999 | 
                        Not stated  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | Sysmiss | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.