Year Dollars 1992-01-01 465226832 1997-01-01 643858204 2002-01-01 1269517754 2003-01-01 1312651627 2004-01-01 1682258071 2005-01-01 1592519636 2006-01-01 2110850440 2007-01-01 2399456997 2008-01-01 2770681423 2009-01-01 1714754976 2010-01-01 2189761221 2011-01-01 2466317520 2012-01-01 1805407927 2013-01-01 2034850636 2014-01-01 1977027728 2015-01-01 2049663615 2016-01-01 1849122806