| Value | Category | 
                                    
                    
                        | 100 | Illiterate | 
                                    
                    
                        | 200 | Read & Write | 
                                    
                    
                        | 1000 | Primary | 
                                    
                    
                        | 1900 | Undefined elementary educ. | 
                                    
                    
                        | 2000 | Preperatory | 
                                    
                    
                        | 3000 | General Secondary | 
                                    
                    
                        | 3100 | Vocational Sec. Agriculture | 
                                    
                    
                        | 3200 | Vocational Sec. Commerce | 
                                    
                    
                        | 3300 | Vocational Sec. Induserial | 
                                    
                    
                        | 3400 | Vocational Sec. Nursering | 
                                    
                    
                        | 3500 | Other Vocational Sec. Educ. | 
                                    
                    
                        | 3900 | Undefined second. educ. | 
                                    
                    
                        | 4000 | Post Secondary | 
                                    
                    
                        | 4100 | Vocational Sec. (5-Years) | 
                                    
                    
                        | 5000 | Medicine | 
                                    
                    
                        | 5100 | Agriculture | 
                                    
                    
                        | 5200 | Commerce | 
                                    
                    
                        | 5300 | Enginering | 
                                    
                    
                        | 5400 | Sciences | 
                                    
                    
                        | 5500 | Education | 
                                    
                    
                        | 5600 | Theology | 
                                    
                    
                        | 5700 | Arts/Social Scie. | 
                                    
                    
                        | 5800 | Law | 
                                    
                    
                        | 5900 | Other University Educ. | 
                                    
                    
                        | 6000 | Post Graduate | 
                                    
                    
                        | 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.