Year	US Dollars, Sum Over Component Sub-periods
1997-01-01	-105623379467.586
1998-01-01	-193038372072.065
1999-01-01	-353159721913.928
2000-01-01	-418686736809.769
2001-01-01	-298239785066.607
2002-01-01	-162913420457.401
2003-01-01	-165152373869.082
2004-01-01	-210132632036.694
2005-01-01	-445427372999.845
2006-01-01	-524744571356.847
2007-01-01	-702133950877.834
2008-01-01	-494671588873.862
2009-01-01	-490279125230.096
2010-01-01	-472466640913.857
2011-01-01	-567288528389.339
2012-01-01	-272569996358.261