| Value | Category | 
                                    
                    
                        | 1 | 0-0.9 | 
                                    
                    
                        | 2 | 1.0-4.9 | 
                                    
                    
                        | 3 | 5.0-9.9 | 
                                    
                    
                        | 4 | 10.0-49.9 | 
                                    
                    
                        | 5 | 50.0-99.9 | 
                                    
                    
                        | 6 | 100.0+ | 
                                    
                    
                        | 7 | No response | 
                                    
                    
                        | 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.