Year	US Dollars, Sum Over Component Sub-periods
1970-01-01	2334350000.000000
1971-01-01	3569420000.000000
1972-01-01	3868420000.000000
1973-01-01	5134340000.000000
1974-01-01	6744220000.000000
1975-01-01	7785360000.000000
1976-01-01	8538980000.000000
1977-01-01	9884770000.000000
1978-01-01	12311410000.000000
1979-01-01	14777880000.000000
1980-01-01	14339760000.000000
1981-01-01	12698470000.000000
1982-01-01	15460970000.000000
1983-01-01	14030840000.000000
1984-01-01	13839770000.000000
1985-01-01	14633130000.000000
1986-01-01	17999010000.000000
1987-01-01	21636000000.000000
1988-01-01	24166580000.000000
1989-01-01	25414030000.000000
1990-01-01	29585460000.000000
1991-01-01	33803410000.000004
1992-01-01	38309410000.000000
1993-01-01	38029560000.000000
1994-01-01	41140400000.000000
1995-01-01	44752070000.000000
1996-01-01	45268260000.000000
1997-01-01	45779420000.000000
1998-01-01	47175940000.000000
1999-01-01	49487360000.000000
2000-01-01	51446320000.000000
2001-01-01	53750700000.000000
2002-01-01	57002250000.000000
2003-01-01	63864150000.000000
2004-01-01	69476370000.000000
2005-01-01	73323860000.000000
2006-01-01	75336020000.000000
2007-01-01	84238090000.000000
2008-01-01	92168020000.000000
2009-01-01	84971190000.000000
2010-01-01	85155360000.000000
2011-01-01	94916180000.000000
2012-01-01	94643460000.000000
2013-01-01	97863840000.000000