1968
1964
1980
1974
1974
1965
1972
1956
1965
1965
1970
1971
1994
1975
1982
1994
1977
1963
1964
1965
1960
1966
1968
1974
1961
1968
1956
1958
1980
1987
1975
1977
1970
1963
1967
1970
1977
1983
1966
1964
1971
1984
1971
1981
1961
1982
1963
1956
1971
1953
1960
1962
1965
1968
1966
1975
1964
1966
1967
1996
1961
1979
1959
1957
1970
1964
1979
1967
1966
1963
1974
1967
1971
1967
1973
1993
1959
1968
1994
1994
1971
1968
1965
1958
1969
1972
1961
1963
1998
1967
1957
1955
1969
1965
1955
1952
1966
1956
1972
1971
1978
1980
1981
1966
1969
1971
1969
1964
1965
1973
1962
1971
1964
1971
1943
1969
1969
1976
1970
1965
1962
1985