| Value | Category | 
                                    
                    
                        | 1 | Raw material | 
                                    
                    
                        | 2 | Semi_finished goods | 
                                    
                    
                        | 3 | Finished goods | 
                                    
                    
                        | 4 | Raw materials Purchse | 
                                    
                    
                        | 5 | Cost of goods sold | 
                            
            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.