Year US Dollars, Sum Over Component Sub-periods 1995-01-01 270000000 1996-01-01 303000000 1997-01-01 326000000 1998-01-01 607000000 1999-01-01 861000000 2000-01-01 1013000000 2001-01-01 1148000000 2002-01-01 1384000000 2003-01-01 1150000000 2004-01-01 1062000000 2005-01-01 1062000000 2006-01-01 1146000000 2007-01-01 1342000000 2008-01-01 1065000000 2009-01-01 1434000000 2010-01-01 1511000000 2011-01-01 1378000000 2012-01-01 1342000000 2013-01-01 1421000000 2014-01-01 1415000000