1968
1977
1969
1953
1956
1994
1978
1979
1969
1966
1979
1954
1973
1957
1974
1976
1972
1969
1993
1967
1972
1972
1977
1968
1979
1983
1975
1965
1976
1981
1984
1968
1976
1981
1973
1952
1958
1967
1965
1979
1955
1963
1957
1948
1962
1975
1966
1982
1955
1984
1967
1966
1978
1965
1968
1973
1963
1975
1968
1965
1963
1970
1965
1967
1967
1964
1957
1958
1966
1963
1949
1974
1954
1951
1966
1966
1988
1968
1966
1965
1965
1965
1965
1965
1965
1965
1965
1955
1955
1955
1981
1965
1968
1965
1957
1948
1949
1967
1966
1967
1973
1978