Year Dollars 1992-01-01 156686 1997-01-01 102019 2002-01-01 248725 2003-01-01 1894158 2004-01-01 1141402 2005-01-01 1211538 2006-01-01 1618548 2007-01-01 4791589 2008-01-01 1311349 2009-01-01 2362117 2010-01-01 4364526 2011-01-01 3157513 2012-01-01 4486905 2013-01-01 2011472 2014-01-01 2628265 2015-01-01 1777194 2016-01-01 1056696