| Value | Category | 
                                    
                    
                        | 1 | afiliada iess | 
                                    
                    
                        | 2 | afiliada ssc | 
                                    
                    
                        | 3 | afiliado issfa/ispol | 
                                    
                    
                        | 4 | benef. iess | 
                                    
                    
                        | 5 | benef. ssc | 
                                    
                    
                        | 6 | benef. issfa/ispol | 
                                    
                    
                        | 7 | no afil./benef. | 
                            
            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.