Year	US Dollars, Sum Over Component Sub-periods
1960-01-01	2255042587.30700
1961-01-01	1992916629.08588
1962-01-01	2183374911.41948
1963-01-01	2350043663.31723
1964-01-01	2813119889.36625
1965-01-01	3274894352.00150
1966-01-01	2965910465.03924
1967-01-01	3320817750.35123
1968-01-01	3671256461.29664
1969-01-01	3716312770.46001
1970-01-01	4082632663.28860
1971-01-01	4483274331.25722
1972-01-01	4306793453.96011
1973-01-01	6467082927.75575
1974-01-01	10755356756.36680
1975-01-01	9643809168.59553
1976-01-01	11079016179.11420
1977-01-01	12301768740.22380
1978-01-01	14161668640.40950
1979-01-01	16298904538.34120
1980-01-01	20589800106.40720
1981-01-01	23632198890.15610
1982-01-01	23656201140.92540
1983-01-01	19709822602.58020
1984-01-01	23830452506.53850
1985-01-01	23772444982.50960
1986-01-01	24387836385.00660
1987-01-01	26712470182.02810
1988-01-01	33815178983.94640
1989-01-01	40559226780.69060
1990-01-01	39169408001.66430
1991-01-01	38695508265.02600
1992-01-01	40942774124.48390
1993-01-01	42524057636.49630
1994-01-01	50455964793.74760
1995-01-01	57639598140.13230
1996-01-01	60788639003.82440
1997-01-01	62932809109.62330
1998-01-01	61061985806.69470
1999-01-01	65581845558.18460
2000-01-01	68901985201.48850
2001-01-01	61896014984.17620
2002-01-01	70349977597.45110
2003-01-01	85755061221.18010
2004-01-01	105355715231.62600
2005-01-01	121131184379.24500
2006-01-01	136760087856.91900
2007-01-01	162788116271.44900
2008-01-01	193088935281.83700
2009-01-01	159786300621.99000
2010-01-01	201675253397.74700
2011-01-01	249261326019.10500
2012-01-01	269866712677.39300
2013-01-01	250264624291.40000