1968
1960
1972
1964
1981
1965
1968
1975
1945
1957
1961
1949
1963
1953
1983
1961
1955
1957
1974
1952
1970
1959
1970
1959
1957
1963
1966
1969
1971
1980
1967
1968
1961
1954
1955
1979
1981
1965
1971
1955
1960
1952
1961
1973
1982
1952
1951
1959
1955
1963
1963
1968
1974
1964
1984
1972
1956
1958
1969
1953
1976
1960
1974
1961
1986
1963
1964
1954
1957
1949
1972
1963
1942
1963
1957
1947
1957
1949
1958
1964
1952
1950
1961
1967
1983
1952