Year Dollars 1992-01-01 901353032 1997-01-01 1516870203 2002-01-01 1498309737 2003-01-01 1330445412 2004-01-01 1446038498 2005-01-01 1579012475 2006-01-01 1899801875 2007-01-01 2211798301 2008-01-01 3436140471 2009-01-01 4020274549 2010-01-01 3179954534 2011-01-01 3185688393 2012-01-01 2554690159 2013-01-01 1380093407 2014-01-01 2278273253 2015-01-01 1156663027 2016-01-01 1539398378