| Value | 
                    Category | 
                                                                            
                                    
                    
                        | 000 | 
                        NIU (not in universe)  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 010 | 
                        None  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 020 | 
                        Pre-primary complete  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 030 | 
                        Specialised schools for the handicapped  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 101 | 
                        Primary, Std I  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 102 | 
                        Primary, Std II  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 103 | 
                        Primary, Std III  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 104 | 
                        Primary, Std IV  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 105 | 
                        Primary, Std V  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 106 | 
                        Primary, Std VI  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 107 | 
                        Primary School Leaving Certificate (PSLC) or Certificate of Primary Education (CPE)  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 109 | 
                        Grade unknown  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 201 | 
                        Lower sec., Form I  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 202 | 
                        Lower sec., Form II  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 203 | 
                        Lower sec., Form III  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 204 | 
                        Lower sec., Form IV  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 205 | 
                        Lower sec., Form V  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 206 | 
                        School Certificate (SC) or equivalent  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 211 | 
                        Upper sec., Form VI  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 212 | 
                        Higher School Certificate (HSC), baccalaureate, or equivalent  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 219 | 
                        Grade unknown  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 301 | 
                        Vocational, elementary  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 302 | 
                        Vocational, preliminary  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 303 | 
                        Vocational, lower intermediate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 304 | 
                        Vocational, higher intermediate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 310 | 
                        Pre-vocational  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 311 | 
                        Pre-vocational, Form I  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 312 | 
                        Pre-vocational, Form II  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 313 | 
                        Pre-vocational, Form III  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 320 | 
                        Certificate, upper secondary (NTC level 3)  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 330 | 
                        Certificate, post-secondary (NTC level 2)  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 400 | 
                        Tertiary, completed  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 410 | 
                        Tertiary, diploma  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 420 | 
                        Tertiary, degree  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 430 | 
                        Tertiary, master or doctorate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 999 | 
                        Unknown  | 
                        
                            
                        
                        
                        
                        
                            
                    
                            
            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.