Year	US Dollars, Sum Over Component Sub-periods
1990-01-01	20329900000.00000
1991-01-01	20284200000.00000
1992-01-01	22125400000.00000
1993-01-01	21415500000.00000
1994-01-01	25425400000.00000
1995-01-01	32410500000.00000
1996-01-01	35126800000.00000
1997-01-01	38525200000.00000
1998-01-01	41686200000.00000
1999-01-01	44287900000.00000
2000-01-01	48571700000.00000
2001-01-01	50327300000.00000
2002-01-01	50941300000.00000
2003-01-01	51639100000.00000
2004-01-01	61031600000.00000
2005-01-01	67692899999.99999
2006-01-01	73055400000.00000
2007-01-01	87979900000.00000
2008-01-01	83667400000.00000
2009-01-01	62764600000.00000
2010-01-01	62057400000.00000
2011-01-01	67198000000.00000
2012-01-01	63604900000.00000
2013-01-01	66012399999.99999