Year Dollars 1992-01-01 596198 1997-01-01 1179559 2002-01-01 138840 2003-01-01 297158 2004-01-01 877513 2005-01-01 453017 2006-01-01 516996 2007-01-01 1458121 2008-01-01 2286240 2009-01-01 1517620 2010-01-01 1562804 2011-01-01 1686561 2012-01-01 1242509 2013-01-01 3428852 2014-01-01 2589711 2015-01-01 1089444 2016-01-01 1642592