| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | ...un plan de empleo? | 
                                    
                    
                        | 2 | ...un período de prueba? | 
                                    
                    
                        | 3 | ...otro tipo de trabajo? | 
                                    
                    
                        | 9 | Ns./Nr. | 
                            
            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.