| Value | Category | 
                                    
                    
                        | 0 | No education/Primary incomplete | 
                                    
                    
                        | 1 | First level primary | 
                                    
                    
                        | 2 | Second level primary | 
                                    
                    
                        | 3 | High school and higher | 
                                    
                    
                        | 8 | Don't know | 
                                    
                    
                        | 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.