Year	current US$
1960	239749109.83233714
1961	248023258.18163446
1962	253685588.98329386
1963	276270374.70654356
1964	290389709.16794276
1965	312052318.3838025
1966	331247280.3626636
1967	343294554.0232046
1968	358113322.49177665
1969	362682935.1438499
1970	364604195.5015872
1971	368737185.63280326
1972	461277610.6486135
1973	556267235.723144
1974	638839777.7146556
1975	804695289.4576107
1976	824382002.7423756
1977	889573107.4421304
1978	1096223610.1468847
1979	1417610215.5359426
1980	1707459581.69024
1981	1653000162.6274748
1982	1550686823.6618738
1983	1290467344.090461
1984	1170464543.5023527
1985	1181613409.3386192
1986	1549070973.1012845
1987	1807446598.7935271
1988	1916416584.9855227
1989	1672196595.7380939
1990	2104171271.314012
1991	2171966015.5505095
1992	1869296186.3015792
1993	2512318391.4778514
1994	1721869754.141993
1995	2366244281.816087
1996	2444231723.0317917
1997	2367185090.534441
1998	2587857867.7045255
1999	3985292547.411342
2000	3736031849.583125
2001	3978584949.0653706
2002	4375337660.817011
2003	5580754406.728476
2004	6368295341.345682
2005	6707457373.416759
2006	7291478502.226992
2007	8579794986.361575
2008	10129709839.197079
2009	10210628469.28225
2010	10039455637.62419
2011	11283348496.595934
2012	11469278362.381235
2013	13025952440.895155
2014	13604231898.288982
2015	12221243294.817215
2016	12267116301.285805
2017	13599079567.748072
2018	15295966759.589994
2019	15026818073.675377
2020	16484929198.091816
2021	18787307035.68775
2022	18754472272.74885
2023	21436710779.070946