1991
1985
1972
1978
1975
1979
1967
1965
1984
1968
1965
1984
1963
1987
1970
1965
1981
1962
1966
1960
1969
1963
1962
1981
1963
1974
1967
1980
1985
1990
1991
1989
1984
1995
1991
1963
1961
1965
1986
1964
1963
1968
1991
1992
1982
1983
1959
1968
1978
1968
1971
1966
1983
1969
1978
1979
1978
1973
1963
1962
1988
1966
1979
1987
1987
1982
1968
1984
1980
1968
1976
1979
1988
1972
1967
1988
1966
1980
1975
1975
1975
1961
1973
1959
1975
1958
1965
1977
1974
1988
1983
1978
1986
1996
1975
1988
1971
1990
1991
2000
2002
1997
1989
1989
1975
1976
1994
1988
1983
1978
1985
1986
1997
1984
1980
1991
1985
1980
1986
1988
1985
1982
1981
1981
1981
1987
1990
1988
1995
1996
1997
1959
1984
1991
1982
1981
1982
1978
1980
1988
1983
1989
1968
1973
1980
1971
1981
1990
1985
1977
1979
1990
1984
1997
1979
1986
1994
1993
1984
1997
1997
1972
1988
1964
1972
1980
1981
1981
1961
2002
1983
Comments