1974
1975–2005
1975
1976
1977
1978
1979
1984
1986
2000
2001
2002
2003
2004
2005–2007
2005 version
2006 version
2007–2010
2007
2008
2009
2010–2014
2010 variant
2011 variant
2012 40th anniversary variant
2013 variant
2014–2017
2017–present
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