Year Dollars 1992-01-01 864073682 1997-01-01 1381764548 2002-01-01 1956384302 2003-01-01 1957343402 2004-01-01 2191750468 2005-01-01 2596952024 2006-01-01 3157499855 2007-01-01 3444005451 2008-01-01 3999269595 2009-01-01 3362802860 2010-01-01 4026811551 2011-01-01 5320578929 2012-01-01 5988965954 2013-01-01 6903303430 2014-01-01 7454547353 2015-01-01 8741615765 2016-01-01 9076748145