1995
1990
1988
1997
1990
1971
2000
1984
1995
1995
1986
1977
1996
1994
1991
1993
1988
1999
1995
1994
1983
2008
1980
1995
1984
1996
1999
2005
2006
1991
1994
1999
1992
1980
2005
1998
1996
1996
1994
1998
2001
1977
1996
2009
1991
1976
1995
1990
1994
1989
1988
1979
1996
1971
1995
1990
1990
1998
2009
1997
1975
2004
1980
2008
1993
1986
1992
1986
1989
1999
1994
1992
1991
2000
1986
1988
1993
1994
1984
2005
1992
1990
2008
1997
1989
1992
1990
1973
1982
1998
2005
1994
1991
1990
1995
1992
Comments