| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | Permanente? | 
                                    
                    
                        | 2 | Contrato por obra determinada? | 
                                    
                    
                        | 3 | Contrato definido? | 
                                    
                    
                        | 4 | Contrato indefinido? | 
                                    
                    
                        | 5 | Sin contrato escrito? | 
                            
            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.