| Value | Category | 
                                    
                    
                        | 00 | Not had intercourse | 
                                    
                    
                        | 02 | 2 | 
                                    
                    
                        | 03 | 3 | 
                                    
                    
                        | 04 | 4 | 
                                    
                    
                        | 05 | 5 | 
                                    
                    
                        | 06 | 6 | 
                                    
                    
                        | 07 | 7 | 
                                    
                    
                        | 08 | 8 | 
                                    
                    
                        | 09 | 9 | 
                                    
                    
                        | 10 | 10 | 
                                    
                    
                        | 11 | 11 | 
                                    
                    
                        | 12 | 12 | 
                                    
                    
                        | 13 | 13 | 
                                    
                    
                        | 14 | 14 | 
                                    
                    
                        | 15 | 15 | 
                                    
                    
                        | 16 | 16 | 
                                    
                    
                        | 17 | 17 | 
                                    
                    
                        | 18 | 18 | 
                                    
                    
                        | 19 | 19 | 
                                    
                    
                        | 20 | 20 | 
                                    
                    
                        | 21 | 21 | 
                                    
                    
                        | 22 | 22 | 
                                    
                    
                        | 23 | 23 | 
                                    
                    
                        | 24 | 24 | 
                                    
                    
                        | 25 | 25 | 
                                    
                    
                        | 26 | 26 | 
                                    
                    
                        | 27 | 27 | 
                                    
                    
                        | 28 | 28 | 
                                    
                    
                        | 29 | 29 | 
                                    
                    
                        | 30 | 30 | 
                                    
                    
                        | 31 | 31 | 
                                    
                    
                        | 32 | 32 | 
                                    
                    
                        | 33 | 33 | 
                                    
                    
                        | 34 | 34 | 
                                    
                    
                        | 35 | 35 | 
                                    
                    
                        | 36 | 36 | 
                                    
                    
                        | 37 | 37 | 
                                    
                    
                        | 38 | 38 | 
                                    
                    
                        | 39 | 39 | 
                                    
                    
                        | 40 | 40 | 
                                    
                    
                        | 41 | 41 | 
                                    
                    
                        | 42 | 42 | 
                                    
                    
                        | 43 | 43 | 
                                    
                    
                        | 44 | 44 | 
                                    
                    
                        | 45 | 45 | 
                                    
                    
                        | 46 | 46 | 
                                    
                    
                        | 47 | 47 | 
                                    
                    
                        | 48 | 48 | 
                                    
                    
                        | 49 | 49 | 
                                    
                    
                        | 50 | 50 | 
                                    
                    
                        | 51 | 51 | 
                                    
                    
                        | 52 | 52 | 
                                    
                    
                        | 53 | 53 | 
                                    
                    
                        | 54 | 54 | 
                                    
                    
                        | 55 | 55 | 
                                    
                    
                        | 56 | 56 | 
                                    
                    
                        | 57 | 57 | 
                                    
                    
                        | 58 | 58 | 
                                    
                    
                        | 59 | 59 | 
                                    
                    
                        | 95 | At first union | 
                                    
                    
                        | 96 | Inconsistent | 
                                    
                    
                        | 97 | Don't know | 
                                    
                    
                        | 98 | Missing | 
                            
            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.