Year Dollars 1997-01-01 211027 2002-01-01 26457 2003-01-01 157060 2004-01-01 225078 2005-01-01 488566 2006-01-01 589422 2007-01-01 270422 2008-01-01 363221 2009-01-01 994077 2010-01-01 1024382 2011-01-01 641607 2012-01-01 877774 2013-01-01 954412 2014-01-01 2474776 2016-01-01 675830