| Value | Category | 
                                    
                    
                        | 1 | Yes, it does | 
                                    
                    
                        | 2 | No, my qualification is higher | 
                                    
                    
                        | 3 | No, I need an additional training | 
                                    
                    
                        | 4 | Other (Specify) | 
                                    
                    
                        | 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.