Year Dollars 2002-01-01 231454 2003-01-01 557944 2004-01-01 2512574 2006-01-01 87602 2007-01-01 171731 2008-01-01 451422 2009-01-01 117802 2010-01-01 107384 2011-01-01 515760 2012-01-01 149996 2013-01-01 318588 2014-01-01 1813188 2015-01-01 1099534 2016-01-01 5573581