Year Dollars 2002-01-01 2846494 2003-01-01 5475377 2004-01-01 11869476 2005-01-01 38654951 2006-01-01 46014224 2007-01-01 39568596 2008-01-01 11579310 2009-01-01 3379809 2010-01-01 38336203 2011-01-01 104472915 2012-01-01 57634206 2013-01-01 81198528 2014-01-01 26129554 2015-01-01 48534572 2016-01-01 16701434