| Value | Category | 
                                    
                    
                        | -9 | Don’t Know | 
                                    
                    
                        | 1 | No Education | 
                                    
                    
                        | 2 | Primary School | 
                                    
                    
                        | 3 | Incomplete secondary school | 
                                    
                    
                        | 4 | Secondary School | 
                                    
                    
                        | 5 | Vocational Training | 
                                    
                    
                        | 6 | Some university training | 
                                    
                    
                        | 7 | Graduate degree (BA, BSc etc.) | 
                                    
                    
                        | 8 | Masters of Business Administration (MBA) from university in | 
                                    
                    
                        | 9 | Masters of Business Administration (MBA) from university in | 
                                    
                    
                        | 10 | Other post graduate degree (Ph.D, Masters) from university i | 
                                    
                    
                        | 11 | Other post graduate degree (Ph.D, Masters) from university i | 
                            
            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.