Year	current US$
1960	2508194072.885491
1961	2708510222.0297422
1962	3101963601.532567
1963	3429092654.824772
1964	3657644230.7692304
1965	4034615384.6153846
1966	4800913461.538462
1967	5349807692.307692
1968	5916057692.307693
1969	6463413461.538462
1970	7572067307.6923065
1971	7674759615.384615
1972	8319651862.023847
1973	11254855648.16803
1974	14261768394.495968
1975	15884573681.224777
1976	17587313162.095306
1977	20748326613.841114
1978	24934079061.263603
1979	28545855670.44238
1980	34580279017.4598
1981	37536451482.67613
1982	37752548726.27599
1983	43226129816.04093
1984	44428089429.96744
1985	40454235109.119156
1986	43103883917.80746
1987	50174755497.03072
1988	61282496895.09849
1989	72310819146.46017
1990	91587675844.9779
1991	105149020478.47311
1992	116615357213.9479
1993	132262103078.91382
1994	152684545879.05377
1995	178444053535.88513
1996	193698670342.04706
1997	149218153333.0183
1998	96409528506.7934
1999	110114901346.75156
2000	113743279004.43668
2001	111382182621.0448
2002	122984794978.16614
2003	140686148795.82956
2004	163680276283.7587
2005	189156076820.239
2006	210592909035.41138
2007	241829284109.72757
2008	280333101784.1792
2009	252644376644.37732
2010	318363312414.8571
2011	355593596467.6065
2012	388197995231.6198
2013	405087462340.89233
2014	380583360758.0433
2015	364463242907.54913
2016	363680238850.5361
2017	402340425525.646
2018	457508189512.5091
2019	488262122367.82446
2020	473426308889.9791
2021	501651234144.7263
2022	496195471373.077
2023	498904304553.94635