| Value | Category | 
                                    
                    
                        | 1 | only in this facility | 
                                    
                    
                        | 2 | both in facility and outside | 
                                    
                    
                        | 3 | only at an outside facility | 
                            
            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.