| Value | Category | 
                                    
                    
                        | 0 | Jamais | 
                                    
                    
                        | 1 | Une ou deux fois | 
                                    
                    
                        | 2 | Quelques fois | 
                                    
                    
                        | 3 | Souvent | 
                                    
                    
                        | 4 | Ne sait pas | 
                                    
                    
                        | 9 | ND | 
                                    
                    
                        | 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.