1990
1989
1995
1979
1998
1993
1997
1996
1997
1977
1997
1968
1974
1976
1989
1998
1968
1998
1975
1983
1995
1998
2009
1973
1996
1993
1995
1997
1995
1991
1990
1968
1970
2012
1979
1977
1976
1970
1968
1968
1993
1972
1976
1967
1983
1998
1989
1973
1969
1975
1972
1971
1995
1990
1984
1992
1992
1986
Comments