| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | Non, toutes les classes sont séparées | 
                                    
                    
                        | 2 | Oui deux ou plus de classes sont combinées | 
                            
            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.