Year Dollars 1992-01-01 756820 1997-01-01 1121832 2002-01-01 1966894 2003-01-01 2694516 2004-01-01 3146427 2005-01-01 6310931 2006-01-01 5307634 2007-01-01 10283956 2008-01-01 20741038 2009-01-01 7767210 2010-01-01 13631555 2011-01-01 10716488 2012-01-01 12000832 2013-01-01 10141401 2014-01-01 10960150 2015-01-01 12501999 2016-01-01 5944863