| Value | Category | 
                                    
                    
                        | 1 | On foot | 
                                    
                    
                        | 2 | By bike | 
                                    
                    
                        | 3 | By private car/ vehicle | 
                                    
                    
                        | 4 | By public vehicle/ minibus | 
                                    
                    
                        | 5 | Other, specify | 
                            
            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.