November 1960
April 1986
January 1989 - October 1989
January 1996 - May 2016
August 1997 - December 2017
February 1998 - December 1998
August 1999
June 2011 - October 2011
January 2013 - November 2013
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February 2017 - December 2017
January 2018 - December 2018
January 2019 - November 2019
January 2010 - March 2020