| Value | Category | 
                                    
                    
                        | 0 | no | 
                                    
                    
                        | 1 | yes | 
                                    
                    
                        | 7 | not in contraception table, but as a current method | 
                                    
                    
                        | 8 | not asked | 
                                    
                    
                        | 1000000001 | .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.