| Value | 
                    Category | 
                    
                
                
                    
                    
                        | 1922-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1944-11-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1947-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1948-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1952-01-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1952-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1954-01-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1956-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1957-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1958-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1959-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1960-12-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1963-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1964-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1965-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1967-03-23 | 
                         | 
                        
                    
                
                    
                    
                        | 1967-09-18 | 
                         | 
                        
                    
                
                    
                    
                        | 1968-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1968-07-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1969-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1969-11-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1970-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1970-12-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1971-09-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1972-03-20 | 
                         | 
                        
                    
                
                    
                    
                        | 1972-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1972-08-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1973-01-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1973-12-26 | 
                         | 
                        
                    
                
                    
                    
                        | 1974-04-09 | 
                         | 
                        
                    
                
                    
                    
                        | 1974-06-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1975-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1975-12-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1976-01-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1976-06-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1976-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1977-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1978-01-20 | 
                         | 
                        
                    
                
                    
                    
                        | 1978-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1978-08-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1978-10-10 | 
                         | 
                        
                    
                
                    
                    
                        | 1978-12-12 | 
                         | 
                        
                    
                
                    
                    
                        | 1979-04-16 | 
                         | 
                        
                    
                
                    
                    
                        | 1979-06-03 | 
                         | 
                        
                    
                
                    
                    
                        | 1980-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1980-09-26 | 
                         | 
                        
                    
                
                    
                    
                        | 1981-06-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-01-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-03-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1983-01-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1983-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1984-03-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1984-04-04 | 
                         | 
                        
                    
                
                    
                    
                        | 1984-05-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1984-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-05-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-09-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-10-18 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-11-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-11-12 | 
                         | 
                        
                    
                
                    
                    
                        | 1986-01-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1986-05-05 | 
                         | 
                        
                    
                
                    
                    
                        | 1986-05-20 | 
                         | 
                        
                    
                
                    
                    
                        | 1986-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-01-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-07-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-12-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1988-10-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1989-06-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1989-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1989-11-28 | 
                         | 
                        
                    
                
                    
                    
                        | 1990-05-28 | 
                         | 
                        
                    
                
                    
                    
                        | 1990-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1991-08-22 | 
                         | 
                        
                    
                
                    
                    
                        | 1991-12-24 | 
                         | 
                        
                    
                
                    
                    
                        | 1993-06-17 | 
                         | 
                        
                    
                
                    
                    
                        | 1993-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1994-04-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1994-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1995-11-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1997-02-03 | 
                         | 
                        
                    
                
                    
                    
                        | 1997-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1999-03-20 | 
                         | 
                        
                    
                
                    
                    
                        | 2200-01-01 | 
                         | 
                        
                    
                
            
            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.