Year	US Dollars, Sum Over Component Sub-periods
1990-01-01	-4830690000.000000
1991-01-01	-4499560000.000000
1992-01-01	-5464990000.000000
1993-01-01	-5151530000.000000
1994-01-01	-5339510000.000000
1995-01-01	-7219060000.000000
1996-01-01	-8097330000.000000
1997-01-01	-9572620000.000000
1998-01-01	-10511190000.000000
1999-01-01	-13791300000.000000
2000-01-01	-13593270000.000000
2001-01-01	-16384099999.999998
2002-01-01	-22301180000.000000
2003-01-01	-24794300000.000000
2004-01-01	-27931490000.000000
2005-01-01	-30909020000.000000
2006-01-01	-30165790000.000000
2007-01-01	-38089740000.000000
2008-01-01	-36775800000.000000
2009-01-01	-38770470000.000000
2010-01-01	-34327820000.000000
2011-01-01	-44214160000.000000
2012-01-01	-39994540000.000000
2013-01-01	-34431430000.000000