| Value | Category | 
                                    
                    
                        | 1 | semaine | 
                                    
                    
                        | 2 | 15 jours | 
                                    
                    
                        | 3 | mois | 
                                    
                    
                        | 4 | bimestre | 
                                    
                    
                        | 5 | trimestre | 
                                    
                    
                        | 6 | semestre | 
                                    
                    
                        | 7 | annee | 
                                    
                    
                        | 8 | une fois | 
                                    
                    
                        | 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.