| Value | Category | 
                                    
                    
                        | 1 | 1st cousin/father | 
                                    
                    
                        | 2 | 1st cousin/mother | 
                                    
                    
                        | 3 | 2nd cousin | 
                                    
                    
                        | 4 | Other relation | 
                                    
                    
                        | 5 | No relation | 
                            
            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.