1972
1964
1960
1948
1981
1954
1955
1987
1948
1953
1968
1959
1971
1979
1962
1966
1956
1963
1952
1960
1962
1978
1959
1962
1981
1966
1966
1954
1983
1977
1981
1979
1962
1962
1981
1970
1956
1973
1974
1977
1986
1970
1972
1971
1974
1968
1974
1952
1961
1964
1973
1978
1989
1951
1960
1989
1953
1950
1962
1977
1962
1978
1981
1951
1980
1966
1950
1982
1987
1962
1983
1981
1972
1954
1963
1972
1989
1953
1985
1972
1971
1960
1973
1966
1963
1955
1955
1958
1974
1977
1954
1980
1981
1958
1956
1959
1953
1973
1982
1958
1965
1959
1983
1977
1987
1957
1988
1965
1986
1964
1973
1959
1950
1973
1967
1958
1984
1948
1974
1956
1965
1962
1958
1966
1979
1973
1961
1973
1963
1987
1960
1954
1957
1956
1970
1961
1956
1951
1972
1965
1985
1980
1979
1982
1962
1963
1966
1962
1981
1980
1960
1964
1970
1974
1962
1963
1962
1953
1953
1979
1956
1955
1978
1964
1956
1982
1951
1951
1988
1955
1988
1957
1957
1966
1976
1948
1953
1960
1971
1966
1984
1959
1956
1952
1957
1963
1976
1961
1960
1954
1951
1969
1976
1966
1976
1980
1981
1972
1966
1981