| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | not at all | 
                                    
                    
                        | 2 | just a little | 
                                    
                    
                        | 3 | in general | 
                                    
                    
                        | 4 | with little reserve | 
                                    
                    
                        | 5 | completely | 
                                    
                    
                        | 9 |  | 
                            
            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.