| Value | Category | 
                                    
                    
                        | 1 | Yes | 
                                    
                    
                        | 2 | No, I do not need them | 
                                    
                    
                        | 3 | No, but I am going to buy them | 
                                    
                    
                        | 4 | No, I could not get them | 
                                    
                    
                        | 5 | No, I do not have enough money | 
                                    
                    
                        | 6 | other | 
                                    
                    
                        | 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.