Year Dollars 1992-01-01 594437540 1997-01-01 1066430712 2002-01-01 1947928068 2003-01-01 2931919772 2004-01-01 3974554753 2005-01-01 4555231141 2006-01-01 6204264472 2007-01-01 7807635087 2008-01-01 7713221699 2009-01-01 7984044107 2010-01-01 9360675467 2011-01-01 10148033358 2012-01-01 9574758759 2013-01-01 10323889422 2014-01-01 10527411880 2015-01-01 11145371766 2016-01-01 10347863700