Year Dollars 1997-01-01 20142 2002-01-01 123766 2003-01-01 252290 2004-01-01 340281 2005-01-01 556208 2006-01-01 134868 2007-01-01 337116 2008-01-01 283641 2009-01-01 412978 2010-01-01 579189 2011-01-01 423088 2012-01-01 629187 2013-01-01 426223 2014-01-01 199456 2015-01-01 346062 2016-01-01 316652