| Value | 
                    Category | 
                                                                            
                                    
                    
                         | 
                        No  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 1 | 
                        Yes  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 2147483622 | 
                        Don’t know  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 2147483623 | 
                        Refused to respond  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 2147483647 | 
                        Not administered  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11 | 
                        .Z  | 
                        
                            
                        
                        
                        
                        
                            
                    
                            
            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.