1970 1979 1980 1981a 1981b 1982 (#1) 1982 (#2) 1983 1984 1985 1986 1987 1990 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010(#1) 2010(#2) 2011 2013 2014 2015 2016 2018 2019 2020