1976
2006
2003
1971
2007
1981
1970
1993
1993
1983
1981
1975
1996
1974
1992
1975
2002
1981
1983
1997
1970
2001
1959
1999
1966
1982
1995
2007
2005
1966
1997
1991
1972
1983
1986
1986
1986
1971
1996
1992
1976
2005
1980
1994
1990
1988
1984
1970
1984
1997
1992
1990
1994
1989
1995
1991
1990
1988
Comments