| Value | Category | 
                                    
                    
                        | 1 | extremely unsafe | 
                                    
                    
                        | 2 | very unsafe | 
                                    
                    
                        | 3 | unsafe | 
                                    
                    
                        | 4 | neither unsafe nor safe | 
                                    
                    
                        | 5 | safe | 
                                    
                    
                        | 6 | very safe | 
                                    
                    
                        | 7 | extremely safe | 
                            
            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.