| Value | Category | 
                                    
                    
                        | 1 | They fully meet demand | 
                                    
                    
                        | 2 | Over 80% | 
                                    
                    
                        | 3 | 50 - 80% | 
                                    
                    
                        | 4 | 30 - 50% | 
                                    
                    
                        | 5 | Less than 30% | 
                                    
                    
                        | 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.