1969
1965
1974
1984
1986
1986
1969
1983
1985
1980
1970
1988
1976
1989
1983
1988
1991
1990
1968
1970
1991
1997
1986
1966
1966
1993
1985
1993
1972
1974
1970
1975
1971
1976
1976
1975
1977
1968
1968
1971
1970
1996
1984
1988
1981
1972
1994
1985
1975
1978
1980
1994
1982
1977
1984
1969
1974
1978
1968
1983
1977
1984
1995
1984
1984
1988
1986
1987
1982
1987
1987
1998
1983
1981
1984
1982
1989
1982
1983
1983
1983
1983
1986
1982
1983
1992
1983
1981
1981
1982
1980
1981
1985
1969
1991
1988
1989
1987
1985
1991
1973
1971
1989
1995
1985
1971
1993
1984
1995
1985
1984
1984
1984
1982
1999
1985
1986
1967
1971
1984
1969
1982
1991
Comments