1957
1971
1971
1959
1986
1982
1956
1956
1964
1953
1958
1991
1955
1955
1958
1954
1957
1957
1963
1960
1991
1967
1981
1961
1962
1959
1955
1982
1983
1954
1962
1955
1959
1972
1978
1966
1967
1979
1983
1989
1966
1985
1985
1960
1961
1984
1985
1960
1961
1958
1954
1980
1974
1976
1962
1972
1995
1989
1988
1990
1982
1968
1983
1982
1985
1954
1988
1990
1989
1955
1987
1973
1991
1962
1989
1990
1995
1958
1990
1976
1991
1988
1987
1991
1984
1976
1979
1963
1969
1990
1969
1989
1981
1979
1984
1990
1980
1990
1973
1983
1979
1970
1979
1974
1977
1986
1987
1981
1981
1980
1989
1968
1988
Comments