Year Dollars 1997-01-01 477720 2002-01-01 247276 2003-01-01 244027 2004-01-01 282699 2005-01-01 123572 2006-01-01 214225 2007-01-01 116539 2008-01-01 544444 2009-01-01 342161 2010-01-01 560196 2011-01-01 676236 2012-01-01 332422 2013-01-01 1031920 2014-01-01 664670 2015-01-01 1531827 2016-01-01 577273