Year Dollars 1997-01-01 93407 2002-01-01 600149 2003-01-01 750535 2004-01-01 565821 2005-01-01 1142397 2006-01-01 560736 2007-01-01 550098 2009-01-01 381573 2010-01-01 872995 2011-01-01 589277 2012-01-01 726438 2013-01-01 972464 2014-01-01 1335692 2015-01-01 705258 2016-01-01 598816