Year Dollars 1997-01-01 89211 2002-01-01 206082 2003-01-01 328971 2004-01-01 89142 2005-01-01 66860 2006-01-01 21194 2007-01-01 143131 2008-01-01 226725 2009-01-01 765139 2010-01-01 336748 2011-01-01 472726 2012-01-01 717722 2013-01-01 556811 2014-01-01 1096558 2015-01-01 327125 2016-01-01 490956