| Value | Category | 
                                    
                    
                        | 1 | Well above average | 
                                    
                    
                        | 2 | Slightly above average | 
                                    
                    
                        | 3 | Average | 
                                    
                    
                        | 4 | Slightly below average | 
                                    
                    
                        | 5 | Well below average | 
                                    
                    
                        | 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.