| Value | Category | 
                                    
                    
                        | 1 | In next 12 months | 
                                    
                    
                        | 2 | Use later | 
                                    
                    
                        | 3 | Unsure about timing | 
                                    
                    
                        | 4 | Unsure about use | 
                                    
                    
                        | 5 | Does not intend | 
                            
            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.