Year US Dollars, Sum Over Component Sub-periods 1994-01-01 -7055190000.0000000 1995-01-01 -9700370000.0000000 1996-01-01 -5472560000.0000000 1997-01-01 -6023630000.0000000 1998-01-01 -4140140000.0000005 1999-01-01 -4290310000.0000005 2000-01-01 -6631770000.0000000 2001-01-01 -9037180000.0000000 2002-01-01 -9769250000.0000000 2003-01-01 -10764180000.0000000 2004-01-01 -12593690000.0000000 2005-01-01 -13686490000.0000000 2006-01-01 -13549790000.0000000 2007-01-01 -18824610000.0000000 2008-01-01 -24241580000.0000000 2009-01-01 -19795230000.0000000 2010-01-01 -28679900000.0000000 2011-01-01 -35920690000.0000000