Year	US Dollars, Sum Over Component Sub-periods
1996-01-01	25120300000.000000
1997-01-01	24484300000.000000
1998-01-01	25402100000.000000
1999-01-01	25258800000.000000
2000-01-01	25075500000.000000
2001-01-01	24951200000.000000
2002-01-01	26826600000.000000
2003-01-01	33062699999.999996
2004-01-01	38422700000.000000
2005-01-01	38710600000.000000
2006-01-01	44981800000.000000
2007-01-01	52738700000.000000
2008-01-01	57313100000.000000
2009-01-01	44486000000.000000
2010-01-01	49526100000.000000
2011-01-01	59893600000.000000
2012-01-01	58402000000.000000
2013-01-01	63259600000.000000