Year Dollars 1992-01-01 110527 1997-01-01 515547 2002-01-01 57038 2003-01-01 121010 2004-01-01 245822 2005-01-01 902437 2006-01-01 366637 2007-01-01 525407 2008-01-01 544465 2009-01-01 3544131 2010-01-01 382464 2012-01-01 4688813 2013-01-01 819373 2014-01-01 448418 2015-01-01 598234 2016-01-01 1833827