Year	current US$
1970	18109999.882057313
1971	15780000.044032888
1972	11009999.97928739
1973	27369999.909773484
1974	26419999.2641806
1975	15350000.299513338
1976	16370000.032708049
1977	21350000.295788053
1978	18280000.105500218
1979	20710000.259801745
1980	48680000.502616204
1981	68769999.8598546
1982	131610001.45226717
1983	178349998.7069518
1984	294000000.879169
1985	339009998.7760186
1986	666959987.2529514
1987	728910010.883585
1988	1046909999.8362361
1989	682679985.2605904
1990	717660015.3520701
1991	321449997.37292546
1992	442220002.18369067
1993	300639996.7074395
1994	269080001.5050918
1995	224290001.7276407
1996	264180002.89425245
1997	146490000.43794516
1998	322410002.14777905
1999	199150006.18621716
2000	144629998.56472027
2001	181210001.0011346
2002	646109994.3835287
2003	691120008.5598974
2004	227169999.13007024
2005	1772120019.283146
2006	1606329970.8310509
2007	825170000.9051708
2008	1346549988.5901816
2009	347410002.39551073
2010	408660000.71167946
2011	792290013.564751
2012	163340000.35375357
2013	169300001.65477398
2014	207400001.68979168
2015	357219999.1606173
2016	335659999.63134474
2017	565009991.0181011
2018	458199999.83720493
2019	362669999.4653464
2020	332590003.38613987
2021	970810024.4104866
2022	871209995.6441671