| Value | Category | 
                                    
                    
                        | 0 | No salt available | 
                                    
                    
                        | 1 | Local salt | 
                                    
                    
                        | 2 | Pkgd salt-iodized | 
                                    
                    
                        | 3 | Pkgd salt-noniodized | 
                                    
                    
                        | 4 | Salt for animals | 
                                    
                    
                        | 5 | Loose salt | 
                                    
                    
                        | 96 | Other | 
                            
            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.