| Value | Category | 
                                    
                    
                        | 1 | Finished goods | 
                                    
                    
                        | 2 | Semi-finished goods | 
                                    
                    
                        | 3 | Raw materials | 
                                    
                    
                        | 4 | Goods bought for resale | 
                            
            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.