| Value | Category | 
                                    
                    
                        | 1 | Non | 
                                    
                    
                        | 2 | On the Job | 
                                    
                    
                        | 3 | Adult Literacy | 
                                    
                    
                        | 4 | Apprentices | 
                                    
                    
                        | 5 | Other (Specify) | 
                                    
                    
                        | 6 | Dont  know | 
                            
            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.