1974
1962
1985
1997
1969
1955
1966
1969
1977
1964
1952
1981
1981
1983
1952
1950
1992
1974
1983
1978
1989
1965
1997
2001
1995
1985
1974
1971
1981
1985
1965
1988
1985
1997
2001
1958
1991
1947
1972
1964
1967
1949
1968
1992
1975
1975
1969
1973
1968
1976
1959
1969
1973
1990
1966
1972
1987
1981
1995
1991
1995
1966
1974
1970
1976
1971
1974
1985
1971
1968
1990
1971
1966
1980
1975
1975
1976
1979
1954
1986
1963
1974
1975
1990
1989
1989
1988
1984
1989
1982
1990
1982
1984
1988
1993
1986
1987
1976
1987
1981
1983
1980
1985
1982
1974
1984
1985
1984
1996
1991
1982
1983
1978
1977
1978
1983
1986
1987
1983
1978
1979
1986
1990
1990
1982
1982
1989
1993
1992
1984
1985
1983
1952
1967
1974
1967
1971
1957
1987
1987
1956
1967
1990
1989
1967
1987
1990
1972
1968
1966
1951
1967
1977
1978
1978
1977
1991
1972
1988
1986
1982
1981
1982
1984
1966
1972
1973
1973
1973
1972
1983
1979
1986
1979
1968
1976
Comments