Year Dollars 1992-01-01 216764100 1997-01-01 365759703 2002-01-01 634327585 2003-01-01 790196292 2004-01-01 967066867 2005-01-01 1256655263 2006-01-01 1626470826 2007-01-01 1903328532 2008-01-01 2237875502 2009-01-01 2127320776 2010-01-01 3257322389 2011-01-01 3681055624 2012-01-01 3085166038 2013-01-01 4545520957 2014-01-01 4304048411 2016-01-01 4888668048