Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	-263079999.99999997
1994-01-01	271620000.00000000
1995-01-01	246070000.00000000
1996-01-01	15850000.00000000
1997-01-01	25440000.00000000
1998-01-01	768760000.00000000
1999-01-01	650210000.00000000
2000-01-01	787300000.00000000
2001-01-01	-257760000.00000000
2002-01-01	554330000.00000000
2003-01-01	-558270000.00000000
2004-01-01	895560000.00000000
2005-01-01	-974100000.00000000
2006-01-01	1624240000.00000000
2007-01-01	-714120000.00000000
2008-01-01	2311590000.00000000
2009-01-01	-2462890000.00000000
2010-01-01	1638790000.00000000
2011-01-01	-185020000.00000000
2012-01-01	10600260000.00000000
2013-01-01	9534000000.00000000