Year	current US$
1970	15422975390.3149
1971	17964666813.52572
1972	22231142925.174118
1973	29813447185.32574
1974	35807057567.72674
1975	40290000790.07664
1976	44167234793.28066
1977	53968405628.17417
1978	62245385198.52175
1979	75886329387.54503
1980	84331050840.24675
1981	72703135476.06705
1982	71686111155.9248
1983	72306823195.95528
1984	67943778282.0989
1985	69884046953.97711
1986	98456995944.11897
1987	123664176099.2599
1988	133859940933.91286
1989	133909603744.14977
1990	167370387268.5465
1991	174565414260.45963
1992	196594978712.7473
1993	191465421743.7596
1994	206021647994.2176
1995	244151003139.07468
1996	240599623082.92175
1997	214017668282.7827
1998	218178690529.12408
1999	216375085486.44064
2000	195343158213.4749
2001	194048598098.5514
2002	205864656982.84744
2003	255642735026.41907
2004	291854151032.46796
2005	306550225295.9376
2006	323110891855.6584
2007	371068345199.71497
2008	412889859744.578
2009	389469335798.7185
2010	378946815892.83405
2011	420533846249.8063
2012	398338192447.73444
2013	418585273344.99725
2014	428116006964.01025
2015	367647414778.4764
2016	380673942633.8531
2017	404062420148.37714
2018	441339221867.3174
2019	428440168393.64636
2020	419922551411.1762
2021	475638944733.24817
2022	467855409600.9162
2023	502437926388.42065