Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	490660000
1994-01-01	-1035460000
1995-01-01	-424660000
1996-01-01	1950350000
1997-01-01	1759590000
1998-01-01	2593160000
1999-01-01	1245090000
2000-01-01	485030000
2001-01-01	1610150000
2002-01-01	1789250000
2003-01-01	1689820000
2004-01-01	3240220000
2005-01-01	3679720000
2006-01-01	4162040000
2007-01-01	7747070000
2008-01-01	9528020000
2009-01-01	4211160000
2010-01-01	4517920000
2011-01-01	5938160000
2012-01-01	1349150000
2013-01-01	3170900000