| Value | Category | 
                                    
                    
                        | 1 | No jobs which can be recorded | 
                                    
                    
                        | 2 | No choice, this is the employer?s decision | 
                                    
                    
                        | 3 | Higher salary is better than this record | 
                                    
                    
                        | 4 | Salary is too low to be able to pay contributions | 
                                    
                    
                        | 5 | Don?t know how to do it | 
                                    
                    
                        | 6 | Company doesn?t have labor books | 
                                    
                    
                        | 7 | I already have enough years recorded in my labor book | 
                                    
                    
                        | 8 | I have other sources of income | 
                                    
                    
                        | 9 | My children will support me | 
                                    
                    
                        | 10 | Self-employment | 
                                    
                    
                        | 11 | Other | 
                                    
                    
                        | 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.