Year Dollars 1997-01-01 117952 2002-01-01 38234 2003-01-01 161403 2004-01-01 1037966 2005-01-01 58540 2006-01-01 224346 2007-01-01 220886 2008-01-01 317144 2009-01-01 183929 2010-01-01 456318 2011-01-01 165547 2012-01-01 308108 2013-01-01 2508447 2014-01-01 654366 2015-01-01 1038587 2016-01-01 416678