Year Dollars 1992-01-01 262391857 1997-01-01 758074569 2002-01-01 1306492316 2003-01-01 1339605159 2004-01-01 1529570962 2005-01-01 1560665084 2006-01-01 1950065960 2007-01-01 2111641121 2008-01-01 2214339740 2009-01-01 2189633834 2010-01-01 2853971743 2011-01-01 3620938280 2012-01-01 4032782064 2013-01-01 4072895493 2014-01-01 4462084170 2015-01-01 4609620991 2016-01-01 4272017212