Year US Dollars, Sum Over Component Sub-periods 1993-01-01 653440000 1994-01-01 868300000 1995-01-01 2561890000 1996-01-01 1428230000 1997-01-01 1301120000 1998-01-01 3716410000 1999-01-01 6326160000 2000-01-01 4980280000 2001-01-01 5642770000 2002-01-01 8483520000 2003-01-01 2102790000 2004-01-01 4975510000 2005-01-01 11654630000 2006-01-01 5465190000 2007-01-01 10446250000 2008-01-01 6448670000 2009-01-01 2928740000 2010-01-01 6146630000 2011-01-01 2320660000 2012-01-01 8000120000 2013-01-01 4993020000