Year US Dollars, Sum Over Component Sub-periods 1988-01-01 8808440000.000000 1989-01-01 14465390000.000000 1990-01-01 32636000000.000000 1991-01-01 30913670000.000000 1992-01-01 35570210000.000000 1993-01-01 9664660000.000000 1994-01-01 -15235250000.000000 1995-01-01 -4176740000.000000 1996-01-01 -17669370000.000000 1997-01-01 -17097970000.000002 1998-01-01 5945760000.000000 1999-01-01 -6426850000.000000 2000-01-01 6846400000.000000 2001-01-01 -2229920000.000000 2002-01-01 7958040000.000000 2003-01-01 22108920000.000000 2004-01-01 13331480000.000000 2005-01-01 27644130000.000000 2006-01-01 34177350000.000000 2007-01-01 38974080000.000000 2008-01-01 45629830000.000000 2009-01-01 52520710000.000000 2010-01-01 112329790000.000000 2011-01-01 95376800000.000000 2012-01-01 22228010000.000000 2013-01-01 -32979589999.999996