Year US Dollars, Sum Over Component Sub-periods 1999-01-01 -244750430000 2000-01-01 -146462760000 2001-01-01 -51233820000 2002-01-01 32239020000 2003-01-01 -40101510000 2004-01-01 -197758930000 2005-01-01 -194604500000 2006-01-01 -114975530000 2007-01-01 -316375690000 2008-01-01 -448712370000 2009-01-01 -8660850000