Year Dollars 1992-01-01 240639 2002-01-01 495515 2003-01-01 510587 2004-01-01 506372 2005-01-01 691436 2006-01-01 1738805 2007-01-01 1684960 2008-01-01 1895966 2010-01-01 1624524 2011-01-01 2504719 2012-01-01 6157524 2013-01-01 4167899 2014-01-01 3889696 2015-01-01 27823525