June 3, 1940
June 2, 1941
May 28-29, 1942
May 27-28, 1943
May 25-26, 1944
May 19-20, 1945
June 1-3, 1946
May 24-26, 1947
May 22-24, 1948
May 28-30, 1949
May 28-29, 1950
May 27-28, 1951
May 25-26, 1952
May 31- June 1, 1953
May 30, 1954
May 29, 1955
May 27, 1956
May 26, 1957
June 1, 1959
May 31, 1959
November 1, 1959
May 29, 1960
October 30, 1960
May 28, 1961
August 20, 1961
May 27, 1962
August 19, 1962
May 26, 1963
August 18, 1963
May 31, 1964
August 16, 1964
May 30, 1965
August 15, 1965
March 15, 1966
May 29, 1966
August 14, 1966
May 28, 1967
August 19, 1967
May 26, 1968
May 25, 1969
May 24, 1970
August 15, 1970
May 23, 1971
August 14, 1971
May 5, 1974
April 20, 1979
May 8, 1982
August 17, 1982
May 7, 1983
August 16, 1983
December 17, 1983
May 5, 1984
August 14, 1984
December 14, 1984
May 4, 1985
August 13, 1985
December 20, 1985
May 3, 1986
August 12, 1986
December 19, 1986
May 2, 1987
August 11, 1987
December 18, 1987
May 1, 1988
August 9, 1988
December 16, 1988