Year US Dollars, Sum Over Component Sub-periods 2002-01-01 -12254670000.000000 2003-01-01 -11955990000.000000 2004-01-01 -10442780000.000000 2005-01-01 -9968690000.000000 2006-01-01 -7935260000.000000 2007-01-01 -9829080000.000000 2008-01-01 9858440000.000000 2009-01-01 6315640000.000000 2010-01-01 -10241790000.000000 2011-01-01 6924760000.000000 2012-01-01 8363690000.000001 2013-01-01 6938820000.000000