| Value | Category | 
                                    
                    
                        | 1 | Il y a moins de 3 mois | 
                                    
                    
                        | 2 | Il y a moins de 1 an | 
                                    
                    
                        | 3 | Il y a plus d'1 an | 
                                    
                    
                        | 4 | Pas de formation | 
                                    
                    
                        | 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.