Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	1580540000
1996-01-01	1247740000
1997-01-01	495800000
1998-01-01	257700000
1999-01-01	-460120000
2000-01-01	-1287540000
2001-01-01	-1616960000
2002-01-01	-3405070000
2003-01-01	-3880960000
2004-01-01	-4193170000
2005-01-01	-6678190000
2006-01-01	-11029340000
2007-01-01	-15252180000
2008-01-01	-16806930000
2009-01-01	-14910090000
2010-01-01	-15717970000
2011-01-01	-16645640000
2012-01-01	-16886140000
2013-01-01	-19459990000