| Value | Category | 
                                    
                    
                        | 1 | GRAM | 
                                    
                    
                        | 2 | KILOGRAM | 
                                    
                    
                        | 8 | LITER | 
                                    
                    
                        | 9 | MILLILITER | 
                                    
                    
                        | 10 | BUCKET | 
                                    
                    
                        | 11 | WHEELBARROW | 
                                    
                    
                        | 12 | OX CART | 
                                    
                    
                        | 13 | 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.