Year Dollars 2002-01-01 423816 2004-01-01 74151 2005-01-01 1740836 2006-01-01 61598 2009-01-01 444960 2010-01-01 1143762 2011-01-01 351576 2012-01-01 349404 2013-01-01 389312 2014-01-01 152995 2015-01-01 381784 2016-01-01 291184