Year	current US$
1967	28096673466.7505
1968	32391876247.45043
1969	36778747613.26378
1970	40300623858.005646
1971	44740033174.15631
1972	56259371685.2888
1973	69913737883.13487
1974	98588055796.793
1975	133163415115.46179
1976	170231035169.3974
1977	182563154963.47357
1978	200890870000.69296
1979	241665424495.79614
1980	280589157624.8988
1981	297470812470.3583
1982	329484009381.7586
1983	332437103186.19977
1984	339068403135.2058
1985	375604722522.40967
1986	403281839526.88385
1987	428014007166.9705
1988	420650689367.7694
1989	395606586464.9737
1990	459354935067.872
1991	283642803519.94934
1992	295829125577.88025
1993	295334409021.2988
1994	313241532869.85034
1995	318463997140.1504
1996	354775723578.9782
1997	384833779179.71655
1998	401486350770.67303
1999	419745178982.66113
2000	452964639463.864
2001	474861707343.62726
2002	471409003825.9168
2003	498495365548.9129
2004	574481866508.4148
2005	663380676342.1427
2006	766915156598.5295
2007	912706089619.1497
2008	1092906608340.746
2009	1216900469982.7551
2010	1351722481930.7974
2011	1436729775246.2869
2012	1638850388114.0269
2013	1703496795344.1067
2014	1681441212420.836
2015	1548241988843.542
2016	1537609684568.5579
2017	1498929655717.189
2018	1487412974665.005
2019	1458040845385.6648
2020	1320024801683.9954
2021	1469008254165.0823
2022	1644225537588.2893
2023	1709662986181.4387