Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	408200000
1995-01-01	1459940000
1996-01-01	1656500000
1997-01-01	1680730000
1998-01-01	1491510000
1999-01-01	1101810000
2000-01-01	-462550000
2001-01-01	215710000
2002-01-01	-71520000
2003-01-01	-1769010000
2004-01-01	1662340000
2005-01-01	118330000
2006-01-01	6550420000
2007-01-01	9157680000
2008-01-01	19408870000
2009-01-01	-7165410000
2010-01-01	-9234920000
2011-01-01	-14404900000