| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | Daily | 
                                    
                    
                        | 2 | Weekly | 
                                    
                    
                        | 3 | Fortnightly | 
                                    
                    
                        | 4 | Monthly | 
                                    
                    
                        | 5 | Quarterly | 
                                    
                    
                        | 6 | Half-yearly | 
                                    
                    
                        | 7 | Annually | 
                                    
                    
                        | 8 | Only one final payment | 
                                    
                    
                        | 9 | No fixed schedule | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 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.