| Value | Category | 
                                    
                    
                        | 1 | Have, Use it for that purpose | 
                                    
                    
                        | 2 | Have, Use for some other purpose | 
                                    
                    
                        | 3 | Not have | 
                                    
                    
                        | 4 | Have, But not use | 
                            
            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.