| Value | Category | 
                                    
                    
                        | 0 | Under Standard One | 
                                    
                    
                        | 1 | Standard One | 
                                    
                    
                        | 2 | Standard Two | 
                                    
                    
                        | 3 | Standard Three | 
                                    
                    
                        | 4 | Standard Four | 
                                    
                    
                        | 5 | Standard Five | 
                                    
                    
                        | 6 | Standard Six | 
                                    
                    
                        | 7 | Standard Seven | 
                                    
                    
                        | 8 | Standard Eight | 
                                    
                    
                        | 9 | Training After Primary Education | 
                                    
                    
                        | 10 | Pre Form One | 
                                    
                    
                        | 11 | Form One | 
                                    
                    
                        | 12 | Form Two | 
                                    
                    
                        | 13 | Form Three | 
                                    
                    
                        | 14 | Form Four | 
                                    
                    
                        | 15 | Form Five | 
                                    
                    
                        | 16 | Form Six | 
                                    
                    
                        | 17 | Training After Secondary Education | 
                                    
                    
                        | 18 | University & Other Tertiary Education | 
                                    
                    
                        | 19 | Adult Education | 
                                    
                    
                        | 99 | Not applicable | 
                            
            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.