Year Dollars 1997-01-01 17676 2002-01-01 67244 2003-01-01 416914 2004-01-01 632418 2005-01-01 190219 2006-01-01 866497 2007-01-01 634032 2008-01-01 1083469 2009-01-01 258078 2010-01-01 55674 2011-01-01 729485 2012-01-01 785029 2013-01-01 1559064 2014-01-01 681941 2015-01-01 2404706 2016-01-01 3960825