Year US Dollars, Monthly Level 1992-01-01 84940000000.0000 1993-01-01 91743000000.0000 1994-01-01 121006000000.0000 1995-01-01 148779000000.0000 1996-01-01 151047000000.0000 1997-01-01 182791000000.0000 1998-01-01 183711000000.0000 1999-01-01 194930000000.0000 2000-01-01 249226000000.0000 2001-01-01 266668000000.0000 2002-01-01 325645000000.0000 2003-01-01 438474000000.0000 2004-01-01 593330000000.0000 2005-01-01 761970000000.0000 2006-01-01 969322000000.0000 2007-01-01 1218635000000.0000 2008-01-01 1430694000000.0000 2009-01-01 1201610000000.0000 2010-01-01 1577753000000.0000 2011-01-01 1898381000000.0000 2012-01-01 2048871449000.0002 2013-01-01 2210662204000.0000 2014-01-01 2343222126000.0000 2015-01-01 2282442836000.0000 2016-01-01 2136708318999.9998 2017-01-01 2280358290000.0000