Year US Dollars, Sum Over Component Sub-periods 1990-01-01 27744440000.000000 1991-01-01 29310610000.000000 1992-01-01 33662260000.000004 1993-01-01 30635180000.000000 1994-01-01 33644820000.000000 1995-01-01 40309200000.000000 1996-01-01 44487220000.000000 1997-01-01 43866710000.000000 1998-01-01 48370170000.000000 1999-01-01 52473150000.000000 2000-01-01 52597470000.000000 2001-01-01 55766910000.000000 2002-01-01 59867270000.000000 2003-01-01 74211560000.000000 2004-01-01 86170240000.000000 2005-01-01 94762070000.000000 2006-01-01 106389900000.000000 2007-01-01 127731930000.000000 2008-01-01 142768620000.000000 2009-01-01 123303660000.000000 2010-01-01 124693880000.000000 2011-01-01 141850580000.000000 2012-01-01 136825150000.000000 2013-01-01 145104260000.000000