Year Dollars 1992-01-01 1096373 1997-01-01 2763714 2002-01-01 1198692 2003-01-01 4386149 2004-01-01 2430306 2005-01-01 3383832 2006-01-01 4101998 2007-01-01 4048762 2008-01-01 4992307 2009-01-01 4238428 2010-01-01 9553881 2011-01-01 10185356 2012-01-01 5783528 2013-01-01 4921552 2014-01-01 6198728 2015-01-01 14415708 2016-01-01 6963433