Year	constant 2015 US$
1960	14965644059.873632
1961	15199761552.796337
1962	15834988983.73731
1963	16638122400.05582
1964	18452161615.51414
1965	21848824039.69479
1966	23685125289.935158
1967	26252366396.89642
1968	29212683529.50611
1969	32380702964.729446
1970	35664937846.62496
1971	40932830976.26693
1972	50468612808.18391
1973	52444206585.24347
1974	73673798715.40848
1975	87063057594.8878
1976	98438040686.51051
1977	103473386857.6315
1978	105531316176.7954
1979	104858633737.34685
1980	103730673615.03165
1981	92342385752.06937
1982	90253434624.34705
1983	97755886591.90639
1984	96405255152.18898
1985	98436699704.24467
1986	84444738789.72513
1987	77830881531.72108
1988	70679776282.42215
1989	75411607869.58403
1990	83406604777.2962
1991	92086013879.91031
1992	95891240964.03526
1993	96393421680.42786
1994	98632808352.50993
1995	101690794729.82726
1996	107598473937.45578
1997	112466378831.30724
1998	116336795552.91142
1999	119975682616.72794
2000	123524541390.6398
2001	129848651772.0827
2002	139013673329.2217
2003	149514072617.16394
2004	160743387423.07834
2005	172355394207.0432
2006	184665849209.2307
2007	201482381187.22943
2008	198896983193.46228
2009	201052036143.40323
2010	211767912493.68768
2011	220285595250.78632
2012	222466048165.72815
2013	222043530554.71515
2014	227263166123.25784
2015	225259878669.55463
2016	235286883484.26074
2017	240127789376.33746
2018	240313963908.85876
2019	239544854361.0061
2020	244928005942.64645
2021	260732499739.62344
2022	267661047770.12607
2023	276850311186.86456