Year	US Dollars, Sum Over Component Sub-periods
1960-01-01	2002245154.40453
1961-01-01	2359122037.67981
1962-01-01	2385124133.21389
1963-01-01	2808150598.16359
1964-01-01	3027537919.83800
1965-01-01	2953562837.80512
1966-01-01	3081653312.45540
1967-01-01	3384230350.60919
1968-01-01	3420943520.75369
1969-01-01	4030727273.90999
1970-01-01	4598251573.02745
1971-01-01	5084148950.26788
1972-01-01	6320684412.91323
1973-01-01	9415730870.58712
1974-01-01	10974677151.72070
1975-01-01	11939578099.80360
1976-01-01	13172495505.80160
1977-01-01	13417990985.07080
1978-01-01	14355350116.51450
1979-01-01	19011848871.00380
1980-01-01	21951052671.58170
1981-01-01	21723037406.91400
1982-01-01	21611662793.15440
1983-01-01	19844166773.11010
1984-01-01	23227305270.23280
1985-01-01	22974116606.23130
1986-01-01	22616436143.24950
1987-01-01	27240882553.64320
1988-01-01	33305265075.84290
1989-01-01	37256837153.53040
1990-01-01	39604727665.16270
1991-01-01	42395591986.13730
1992-01-01	42798470714.17650
1993-01-01	42625888902.08920
1994-01-01	47310775523.62000
1995-01-01	53348564653.86820
1996-01-01	60369650059.38940
1997-01-01	64759184733.22080
1998-01-01	55845004082.14530
1999-01-01	55921058292.10580
2000-01-01	63893080030.69750
2001-01-01	63737001873.02200
2002-01-01	64955986911.48050
2003-01-01	70408087142.20070
2004-01-01	86912965642.39650
2005-01-01	106703822666.85300
2006-01-01	124447568245.99900
2007-01-01	142166319209.61100
2008-01-01	186035908141.96200
2009-01-01	154592001871.81900
2010-01-01	212800905046.55200
2011-01-01	271213640232.84000
2012-01-01	257746107061.20900
2013-01-01	254495718248.70300