Year	current US$
1970	17989999.39113855
1971	36560000.004246816
1972	33589999.47458502
1973	60870000.34563246
1974	60479998.806491524
1975	90019999.66427691
1976	57649999.52726068
1977	126829996.26174554
1978	217619996.5327973
1979	278479995.2637406
1980	246530007.97703838
1981	232779998.16462398
1982	249520000.02004224
1983	249629999.7102464
1984	220950004.08031046
1985	287579993.11015034
1986	453570002.092048
1987	608890000.1980364
1988	755019986.2569577
1989	693699995.7244849
1990	436509995.3021854
1991	641879998.173565
1992	512379994.5097418
1993	479669996.9954788
1994	796999995.451421
1995	718580004.3717026
1996	524329996.5821207
1997	503390000.22411364
1998	466080000.53279114
1999	656549998.5497442
2000	559549998.4230849
2001	401290002.3497642
2002	411960002.7799607
2003	400730001.5725194
2004	1075840014.4446645
2005	4248100113.075227
2006	3015059986.265374
2007	1375790000.9844449
2008	2475939977.6142087
2009	1203339986.57763
2010	1895239984.6911428
2011	2321379994.7500224
2012	2302380010.664463
2013	4981490122.199063
2014	1839650010.824202
2015	1789830032.4082377
2016	2511299960.2854257
2017	1707660019.338132
2018	1987070044.0108776
2019	1900359987.795352
2020	2775590020.716192
2021	2114999997.3773956
2022	2485550012.588502