Year Dollars 1992-01-01 42021 1997-01-01 426686 2002-01-01 2698341 2003-01-01 8422702 2004-01-01 9158748 2005-01-01 12155452 2006-01-01 7254380 2007-01-01 22479587 2008-01-01 27404717 2009-01-01 11012060 2010-01-01 31789584 2011-01-01 39347525 2012-01-01 37639253 2013-01-01 56986597 2014-01-01 53035732 2015-01-01 29453198 2016-01-01 25826869