| Value | Category | 
                                    
                    
                        | 1 | Journalier | 
                                    
                    
                        | 2 | Hebdomadaire | 
                                    
                    
                        | 3 | Tous les 15 jours | 
                                    
                    
                        | 4 | Mensuel | 
                                    
                    
                        | 5 | Autres | 
                                    
                    
                        | 8 | NC | 
                                    
                    
                        | 9 | Manquant | 
                            
            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.