Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	-2172170000
1995-01-01	-2855370000
1996-01-01	-6097550000
1997-01-01	-5289920000
1998-01-01	-2542260000
1999-01-01	-5834240000
2000-01-01	-9510400000
2001-01-01	-807600000
2002-01-01	-5759770000
2003-01-01	-6064830000
2004-01-01	-5317440000
2005-01-01	-23681940000
2006-01-01	-20680210000
2007-01-01	-10441830000
2008-01-01	-20375480000
2009-01-01	-19159470000
2010-01-01	-23283110000
2011-01-01	-26486750000
2012-01-01	-21134080000
2013-01-01	-20848900000