1981
1981
1971
1967
1964
1972
1978
1963
1977
1978
1974
1962
1963
1965
1958
1957
1973
1956
1953
1963
1959
1978
1962
1962
1958
1971
1971
1956
1973
1957
1974
1972
1987
1980
1977
1978
1975
1962
1979
1973
1983
1971
1975
1974
1968
1974
1955
1977
1981
1963
1977
1958
1972
1955
1982
1959
1965
1965
1976
1968
1984
1976
1967
1955
1975
1966
1971
1967
1963
1978
1965
1967
1963
1975
1962
1968
1950
1982
1965
1967
1962
1974
1955
1963
1964
1956
1974
1976
1958
1961
1961
1960
1972
1980
1957
1963
1958
1971
1965
1965
1965
1965
1955
1955
1950
1950
1950
1948
1968
1968
1968
1965
1964
1971
1972
1957
1963
1979
1972
1969
1967
1958
1964
1973
1957
1975
1957
1955
1976
1955
1977
1957
1952
1959