Year Dollars 1992-01-01 15405451 1997-01-01 73958687 2002-01-01 16183438 2003-01-01 17522221 2004-01-01 20514481 2005-01-01 25457611 2006-01-01 34387041 2007-01-01 45157777 2008-01-01 117876433 2009-01-01 96026200 2010-01-01 72806621 2011-01-01 55472074 2012-01-01 82674112 2013-01-01 104209364 2014-01-01 71838089 2015-01-01 50780606 2016-01-01 33271812