Year Dollars 1992-01-01 252835006 1997-01-01 340244809 2002-01-01 518438328 2003-01-01 455352452 2004-01-01 645946831 2005-01-01 1849877091 2006-01-01 2387135292 2007-01-01 1652867375 2008-01-01 1957360715 2009-01-01 1564565054 2010-01-01 1643851356 2011-01-01 1930564139 2012-01-01 2056799353 2013-01-01 2519750513 2014-01-01 2466633558 2015-01-01 2274158177 2016-01-01 1993082172