Year	US Dollars, Sum Over Component Sub-periods
1988-01-01	-6914000000.000000
1989-01-01	-11399100000.000000
1990-01-01	-17178599999.999998
1991-01-01	-24732300000.000000
1992-01-01	-30429600000.000000
1993-01-01	8455200000.000001
1994-01-01	13892900000.000000
1995-01-01	23168200000.000000
1996-01-01	40174900000.000000
1997-01-01	33743400000.000000
1998-01-01	19764200000.000000
1999-01-01	8197600000.000000
2000-01-01	-5847400000.000000
2001-01-01	-638500000.000000
2002-01-01	-9463100000.000000
2003-01-01	-19586200000.000000
2004-01-01	-16196600000.000000
2005-01-01	-29379100000.000000
2006-01-01	-48118700000.000000
2007-01-01	-51627300000.000000
2008-01-01	-66115700000.000000
2009-01-01	-40327900000.000000
2010-01-01	-69618200000.000000
2011-01-01	-65775500000.000000
2012-01-01	-5222500000.000000
2013-01-01	20582000000.000000