1983
1981
1982
1983
2002
1997
1996
1992
1985
1980
1983
1984
1976
1976
1997
1990
1977
1997
1984
1976
1983
1973
1991
1987
1998
1993
1990
1981
1991
1986
1992
1998
1999
1994
1993
1983
1991
1996
1988
1992
1994
1999
1991
1982
2001
1986
1989
1996
1980
1973
1988
1993
1984
1983
1985
1988
1994
1987
1980
1968
1985
1987
1983
1968
1967
1995
1976
1996
1983
1982
1975
2000
1992
1989
1980
1987
1980
1985
1967
1971
1993
1996
1969
1971
1970
1981
1989
1981
1987
1992
2001
1995
1998
1979
1985
1975
1984
1993
1985
1976
1997
1989
1997
1991
1987
1990
1983
1986
1983
1985
1995
2005
1994
1972
2000
1975
2002
1986
1989
1992
1991
1987
1982
1977
1996
1994
1986
1994
1995
1987
1996
1998
1988
1986
1994
1989
1997
1993
2000
2001
1992
1984
1993
1994
1993
1998
1991
1992
1991
1997
1998
2001
1993
1994
2006
1996
1998
1999
1996
1997
1993
1990
1998
2001
1999
2004
1999
1989
1985
1971
1991
1993
1996
1991
1983
2002
1996
Comments