1971
1980
1973
1983
1960
1973
1974
1971
1981
1985
1975
1960
1953
1973
1962
1963
1981
1971
1952
1976
1954
1959
1959
1951
1954
1960
1981
1968
1991
1981
1991
1977
1986
1990
1989
1953
1986
1981
1969
1984
1956
1975
1965
1970
1966
1953
1971
1990
1952
1966
1982
1966
1959
1967
1957
1963
1970
1962
1955
1964
1991
1972
1983
1958
1965
1954
1962
1963
1956
1992
1946
1945
1961
1961
1985
1972
1954
1967
1962
1958
1971
1959
1960
1959
1978
1950
1952
1956
1973
1949
1958
1978
1955
1968
1961
1962
1969
1992
1966
1977
1954
1986
1986
1985
1965
1968
1961
1959
1954
1952
1985
1943
1971
1990
1961
1959
1973
1966
1964
1973
1987
1967
1964
1950
1949
1952
1988
1992
1989
1966
1978
1951
1980
1994
1956
1961
1972
1954
1981
1984
1970
1951
1992
1964
1966
1955
1968
1972
1984
1986
1951
1957
1965
1983
1985
1959
1950
1975
1972
1994
1981
1986
1977
1984
1983
1987
1951
1982
1995
1950
1953
1970
1971
1976
1988
1948