| Value | Category | 
                                    
                    
                        | 0 | NURSERY / PRE SCHOOL | 
                                    
                    
                        | 1 | PRIMARY STANDARD 1 | 
                                    
                    
                        | 2 | PRIMARY STANDARD 2 | 
                                    
                    
                        | 3 | PRIMARY STANDARD 3 | 
                                    
                    
                        | 4 | PRIMARY STANDARD 4 | 
                                    
                    
                        | 5 | PRIMARY STANDARD 5 | 
                                    
                    
                        | 6 | PRIMARY STANDARD 6 | 
                                    
                    
                        | 7 | PRIMARY STANDARD 7 | 
                                    
                    
                        | 8 | PRIMARY STANDARD 8 | 
                                    
                    
                        | 9 | SECONDARY FORM 1 | 
                                    
                    
                        | 10 | SECONDARY FORM 2 | 
                                    
                    
                        | 11 | SECONDARY FORM 3 | 
                                    
                    
                        | 12 | SECONDARY FORM 4 | 
                                    
                    
                        | 13 | SECONDARY FORM 5 | 
                                    
                    
                        | 14 | SECONDARY FORM 6 | 
                                    
                    
                        | 15 | UNIVERSITY 1 | 
                                    
                    
                        | 16 | UNIVERSITY 2 | 
                                    
                    
                        | 17 | UNIVERSITY 3 | 
                                    
                    
                        | 18 | UNIVERSITY 4 | 
                                    
                    
                        | 19 | UNIVERSITY 5 & ABOVE | 
                                    
                    
                        | 20 | TRAINING COLLEGE YEAR 1 | 
                                    
                    
                        | 21 | TRAINING COLLEGE YEAR 2 | 
                                    
                    
                        | 22 | TRAINING COLLEGE YEAR 3 | 
                                    
                    
                        | 23 | TRAINING COLLEGE YEAR 4 | 
                                    
                    
                        | 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.