| Value | 
                    Category | 
                    
                
                
                    
                    
                        | 1922-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1923-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1929-04-26 | 
                         | 
                        
                    
                
                    
                    
                        | 1930-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1938-08-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1943-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1947-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1950-02-21 | 
                         | 
                        
                    
                
                    
                    
                        | 1952-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1953-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1953-09-18 | 
                         | 
                        
                    
                
                    
                    
                        | 1954-08-21 | 
                         | 
                        
                    
                
                    
                    
                        | 1956-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1957-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1957-08-05 | 
                         | 
                        
                    
                
                    
                    
                        | 1957-12-24 | 
                         | 
                        
                    
                
                    
                    
                        | 1958-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1959-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1960-12-08 | 
                         | 
                        
                    
                
                    
                    
                        | 1962-01-16 | 
                         | 
                        
                    
                
                    
                    
                        | 1962-02-14 | 
                         | 
                        
                    
                
                    
                    
                        | 1962-08-22 | 
                         | 
                        
                    
                
                    
                    
                        | 1963-03-12 | 
                         | 
                        
                    
                
                    
                    
                        | 1963-06-04 | 
                         | 
                        
                    
                
                    
                    
                        | 1963-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1963-07-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1964-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1964-08-30 | 
                         | 
                        
                    
                
                    
                    
                        | 1964-09-22 | 
                         | 
                        
                    
                
                    
                    
                        | 1964-09-29 | 
                         | 
                        
                    
                
                    
                    
                        | 1964-10-18 | 
                         | 
                        
                    
                
                    
                    
                        | 1965-03-17 | 
                         | 
                        
                    
                
                    
                    
                        | 1965-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1967-06-20 | 
                         | 
                        
                    
                
                    
                    
                        | 1967-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1967-10-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1968-05-07 | 
                         | 
                        
                    
                
                    
                    
                        | 1968-06-14 | 
                         | 
                        
                    
                
                    
                    
                        | 1968-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1970-01-22 | 
                         | 
                        
                    
                
                    
                    
                        | 1970-10-25 | 
                         | 
                        
                    
                
                    
                    
                        | 1971-01-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1971-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1972-01-02 | 
                         | 
                        
                    
                
                    
                    
                        | 1972-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1972-08-24 | 
                         | 
                        
                    
                
                    
                    
                        | 1973-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1974-03-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1974-06-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1974-11-23 | 
                         | 
                        
                    
                
                    
                    
                        | 1975-10-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1976-04-12 | 
                         | 
                        
                    
                
                    
                    
                        | 1976-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1977-04-03 | 
                         | 
                        
                    
                
                    
                    
                        | 1977-04-20 | 
                         | 
                        
                    
                
                    
                    
                        | 1977-07-11 | 
                         | 
                        
                    
                
                    
                    
                        | 1978-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1978-11-06 | 
                         | 
                        
                    
                
                    
                    
                        | 1978-11-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1979-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1979-08-03 | 
                         | 
                        
                    
                
                    
                    
                        | 1980-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1981-02-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1981-04-02 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-02-02 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-04-16 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-09-02 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-09-30 | 
                         | 
                        
                    
                
                    
                    
                        | 1982-12-28 | 
                         | 
                        
                    
                
                    
                    
                        | 1983-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1984-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1984-11-30 | 
                         | 
                        
                    
                
                    
                    
                        | 1984-12-26 | 
                         | 
                        
                    
                
                    
                    
                        | 1984-12-31 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-02-12 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-11-05 | 
                         | 
                        
                    
                
                    
                    
                        | 1985-12-24 | 
                         | 
                        
                    
                
                    
                    
                        | 1986-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1986-07-30 | 
                         | 
                        
                    
                
                    
                    
                        | 1986-11-22 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-03-06 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-05-15 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-08-04 | 
                         | 
                        
                    
                
                    
                    
                        | 1987-12-26 | 
                         | 
                        
                    
                
                    
                    
                        | 1988-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1989-03-16 | 
                         | 
                        
                    
                
                    
                    
                        | 1989-07-01 | 
                         | 
                        
                    
                
                    
                    
                        | 1989-10-12 | 
                         | 
                        
                    
                
                    
                    
                        | 1990-02-21 | 
                         | 
                        
                    
                
                    
                    
                        | 1990-04-23 | 
                         | 
                        
                    
                
                    
                    
                        | 1990-07-15 | 
                         | 
                        
                    
                
            
            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.