| Value | Category | 
                                    
                    
                        | 1 | ALL | 
                                    
                    
                        | 2 | ALMOST ALL | 
                                    
                    
                        | 3 | MORE THAN HALF | 
                                    
                    
                        | 4 | HALF | 
                                    
                    
                        | 5 | LESS THAN HALF | 
                                    
                    
                        | 6 | A LITTLE | 
                                    
                    
                        | 7 | NONE | 
                                    
                    
                        | 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.