Year	US Dollars, Sum Over Component Sub-periods
1999-01-01	-32840100000
2000-01-01	-26483310000
2001-01-01	-34699820000
2002-01-01	-26044290000
2003-01-01	-28352490000
2004-01-01	-60687130000
2005-01-01	-70024040000
2006-01-01	-64824180000
2007-01-01	-52064110000
2008-01-01	-10778000000
2009-01-01	-23261080000
2010-01-01	-111548390000
2011-01-01	-54300570000
2012-01-01	-107701480000
2013-01-01	-118244960000