| Value | Category | 
                                    
                    
                        | 1 | Ethiopian fiscal year (ending July 7) | 
                                    
                    
                        | 2 | Ethiopian calendar (ending Sept. 10) | 
                                    
                    
                        | 3 | Gregorian calendar (ending Dec. 31) | 
                                    
                    
                        | 4 | Other | 
                            
            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.