Year US Dollars, Sum Over Component Sub-periods 1992-01-01 -9819194775.115020 1993-01-01 -6472881406.054390 1994-01-01 -10752005783.887500 1995-01-01 -8171769094.300140 1996-01-01 -8748794103.300630 1997-01-01 -5770532490.974730 1998-01-01 -5004540147.879100 1999-01-01 -4763688991.094500 2000-01-01 -4001535980.339450 2001-01-01 -3229374230.381730 2002-01-01 1272304599.145510 2003-01-01 -1734153023.470380 2004-01-01 -698259528.074299 2005-01-01 -1299984464.812800 2006-01-01 415463788.126020 2007-01-01 1776885431.045300 2008-01-01 -833363792.536277 2009-01-01 -3395348298.736930 2010-01-01 -4213012526.902490 2011-01-01 -10431517960.602500 2012-01-01 -8907264197.425080