Year Dollars 2002-01-01 75194 2003-01-01 39042 2005-01-01 594637 2006-01-01 139947 2007-01-01 662138 2008-01-01 155521 2009-01-01 447147 2010-01-01 383820 2011-01-01 480408 2012-01-01 1356622 2013-01-01 445988 2014-01-01 710451 2015-01-01 267337 2016-01-01 243404