Year Dollars 1992-01-01 811845 1997-01-01 194796 2002-01-01 457672 2003-01-01 643174 2004-01-01 1077374 2005-01-01 793300 2006-01-01 895412 2007-01-01 1013133 2008-01-01 974340 2009-01-01 2130470 2010-01-01 704889 2011-01-01 1681599 2012-01-01 992414 2013-01-01 1322278 2014-01-01 1605433 2015-01-01 843795 2016-01-01 1668339