Year Current U.S. Dollars 1989-01-01 806233333.333333 1990-01-01 987778064.516129 1991-01-01 1158737525.773200 1992-01-01 1297400000.000000 1993-01-01 1324754248.366010 1994-01-01 3388877083.333330 1995-01-01 3769952071.713150 1996-01-01 3984051902.786010 1997-01-01 4125265587.790140 1998-01-01 4449967227.676930 1999-01-01 4658917874.682470 2000-01-01 4905529007.092200 2001-01-01 5082846568.678500 2002-01-01 5018313017.543860 2003-01-01 5124254283.633480 2004-01-01 5603468204.645320 2005-01-01 6171335217.799240 2006-01-01 6547771610.700060 2007-01-01 7227677431.769520 2008-01-01 8485511106.293140 2009-01-01 8286098965.067970 2010-01-01 8746930283.193800 2011-01-01 9762151317.989860 2012-01-01 10518648940.191200 2013-01-01 10969737509.505400 2014-01-01 11868354337.048200 2015-01-01 12735080478.999700 2016-01-01 13218489517.673200 2017-01-01 13424061795.771100