Year	current US$
1970	61830000.28319659
1971	68630001.57102944
1972	88000000.1229346
1973	103920003.10309233
1974	123979998.28681321
1975	141510001.82889387
1976	125059998.95744032
1977	147580001.296476
1978	179900005.97015002
1979	235909999.61458105
1980	245540004.29250267
1981	195589998.48365828
1982	165659996.79081163
1983	140499999.4691462
1984	133960002.26959588
1985	146470000.0900776
1986	209540006.64129886
1987	203870001.57311592
1988	211909995.35098726
1989	162679999.60482115
1990	226099999.50230122
1991	129349998.70695172
1992	181699997.61320648
1993	147630000.00454485
1994	145989999.6370078
1995	141109999.8001009
1996	125509999.9643862
1997	160090002.15493143
1998	213620002.3610145
1999	120560000.27433029
2000	152610000.85063285
2001	192239998.45795327
2002	302879996.0687758
2003	954270004.4289236
2004	457839989.2803282
2005	733009997.6547062
2006	692800003.3088034
2007	518330007.5717273
2008	556770007.3570013
2009	608150002.4739654
2010	1047579988.4051087
2011	641980003.8803366
2012	652440003.8681928
2013	455939998.8576766
2014	427610001.02199656
2015	347609994.5902823
2016	399639997.6089596
2017	382060004.9849604
2018	388439996.9819933
2019	350690003.77505976
2020	354710000.85584855
2021	423809999.07292366
2022	379949995.86231995