Year	US Dollars adjusted for inflation)
1960	247341919463.16904
1961	272758556343.91498
1962	286985804716.435
1963	289495990894.39301
1964	299586611924.60004
1965	308734452850.77094
1966	321548044807.56287
1967	337352985482.659
1968	375903263762.14496
1969	412500554795.55902
1970	448676636771.70801
1971	499355052540.89606
1972	559541329549.22717
1973	637757886667.24402
1974	695424722086.42297
1975	731649923695.22485
1976	803281452171.11511
1977	840283150784.24402
1978	867438661727.23499
1979	926132033479.11707
1980	1010511554033.68005
1981	966116171914.18909
1982	971722018042.34387
1983	938588304088.46997
1984	988043865417.87793
1985	1066552464980.62012
1986	1151751823331.45996
1987	1193210621348.60986
1988	1191985519567.62012
1989	1231076194274.73999
1990	1192883828728
1991	1210919483539.42993
1992	1205265540510.72998
1993	1261493214739.06982
1994	1328788222502.53003
1995	1387477228552.52979
1996	1418106281314.9502
1997	1466251395671.69019
1998	1471212547872.57983
1999	1478113514365.65967
2000	1538900699686.92993
2001	1560181111439.25
2002	1607829299910.86084
2003	1626156734970.79028
2004	1719895102552.35034
2005	1774870932268.26978
2006	1845107843393.43018
2007	1956927902720.4397
2008	2056552321671.50024
2009	2053965689829.48022
2010	2208871646202.81982
2011	2296901313455.03027
2012	2341302893954.84961
2013	2411783265631.77051
2014	2424040195497.99023
2015	2337992410593.76025
2016	2256907026242.18945
2017	2278936372567.31006