Year	US Dollars, Sum Over Component Sub-periods
1980-01-01	22266000000.00000
1981-01-01	25008000000.00000
1982-01-01	24074000000.00000
1983-01-01	25416400000.00000
1984-01-01	27996400000.00000
1985-01-01	26960800000.00000
1986-01-01	30114700000.00000
1987-01-01	39294600000.00000
1988-01-01	48618500000.00000
1989-01-01	58319600000.00000
1990-01-01	66644899999.99999
1991-01-01	78012200000.00000
1992-01-01	78063800000.00000
1993-01-01	79812300000.00000
1994-01-01	98064800000.00000
1995-01-01	130063100000.00000
1996-01-01	145513200000.00000
1997-01-01	142915800000.00000
1998-01-01	90627300000.00000
1999-01-01	116240300000.00000
2000-01-01	160199700000.00000
2001-01-01	138624600000.00000
2002-01-01	149840800000.00000
2003-01-01	175806100000.00000
2004-01-01	219447100000.00000
2005-01-01	255583200000.00000
2006-01-01	305356800000.00000
2007-01-01	353452000000.00000
2008-01-01	428788000000.00000
2009-01-01	317382600000.00000
2010-01-01	419138200000.00000
2011-01-01	518524500000.00000
2012-01-01	514136800000.00000
2013-01-01	509358600000.00000