1961 - 1970 1969 1970

1971 - 1980 1971 1972 1973 1974 1975 1979

1981 - 1990 1984 1988 1989

1991 - 2000 1991 1992 1993 1994 1995 1997 1998 1999 2000

2001 - 2010 2001 2002 2003 2004 2006 2007 2008 2009 2010

2011 - ... 2011 2012 2013