Year Dollars 1992-01-01 747368 1997-01-01 918424 2002-01-01 317385 2003-01-01 543950 2004-01-01 936906 2005-01-01 901012 2006-01-01 1001581 2007-01-01 750183 2008-01-01 660188 2009-01-01 547794 2010-01-01 509815 2011-01-01 1002494 2012-01-01 1277523 2013-01-01 1230358 2014-01-01 1311720 2015-01-01 1532092 2016-01-01 1866287