Year Dollars 1992-01-01 151971909 1997-01-01 244236449 2002-01-01 366825015 2003-01-01 628227180 2004-01-01 764142861 2005-01-01 967787674 2006-01-01 1204234329 2007-01-01 1506262890 2008-01-01 1889641915 2009-01-01 1317312402 2010-01-01 1764186422 2011-01-01 2065965747 2012-01-01 2267787269 2013-01-01 1979793550 2014-01-01 2006052128 2015-01-01 1692833289 2016-01-01 1939087079