| Value | Category | 
                                    
                    
                        | 1 | Sex Sibling 1 | 
                                    
                    
                        | 2 | Sex Sibling 2 | 
                                    
                    
                        | 3 | Sex Sibling 3 | 
                                    
                    
                        | 4 | Sex Sibling 4 | 
                                    
                    
                        | 5 | Sex Sibling 5 | 
                                    
                    
                        | 6 | Sex Sibling 6 | 
                                    
                    
                        | 7 | Sex Sibling 7 | 
                                    
                    
                        | 8 | Sex Sibling 8 | 
                                    
                    
                        | 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.