| Value | 
                    Category | 
                                                                            
                                    
                    
                        | 1 | 
                        None  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 2 | 
                        School leaving Certificate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 3 | 
                        CXC Basic  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 4 | 
                        GCE 'O'/CXC Gen Prof (1 or 2 subjects) Grade I, II, III  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 5 | 
                        GCE 'O'/CXC Gen Prof (3 or 4 subjects) Grade I, II, III  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 6 | 
                        GCE 'O'/CXC Gen Prof (5 and over subjects) Grade I, II, III  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 7 | 
                        GCE 'A'/HSC 1 or 2  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8 | 
                        GCE 'A'/HSC 3 and over  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 9 | 
                        Diploma or Equivalent Certificate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10 | 
                        Associate Degree  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11 | 
                        Undergraduate Degree  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12 | 
                        Postgraduate Degree  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13 | 
                        Professional Qualifications - Computer  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14 | 
                        Professional Qualifications - Accounting  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15 | 
                        Professional Qualifications - Other  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16 | 
                        Other  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17 | 
                        Standard 7-School Leaving Certificate  | 
                        
                            
                        
                        
                        
                        
                            
                    
                            
            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.