Year	current US$
1970	24539999.54275787
1971	27000000.09126957
1972	6670000.068843381
1973	22170000.197365906
1974	11899999.55706294
1975	24540000.60819091
1976	10359999.973326923
1977	10970000.291243196
1978	13360000.107437368
1979	17980000.20161271
1980	40990000.51245097
1981	85879999.8015165
1982	151350000.3088265
1983	228529999.42749745
1984	365799998.9781534
1985	443669997.6976961
1986	928569987.8185995
1987	1138180004.626513
1988	1341840002.3970752
1989	1008549985.7291572
1990	1063010012.8110495
1991	580519999.869168
1992	691040004.6743451
1993	512679994.35029936
1994	369270001.15625554
1995	352440003.4304709
1996	317890002.24880856
1997	276759999.49686235
1998	441699993.9847739
1999	242640004.29399318
2000	255589995.58165678
2001	166820000.73418033
2002	795309994.155541
2003	683380007.9226493
2004	304459998.8628179
2005	846719997.0465158
2006	1043879979.0740008
2007	233820003.92675406
2008	328349995.5460429
2009	388430004.8574806
2010	336059999.79563063
2011	775940014.7870188
2012	97040000.70132318
2013	112069999.49365857
2014	153529999.10153446
2015	179809999.25360075
2016	267209999.4849409
2017	294439996.8013167
2018	272940000.33475477
2019	250580000.9723752
2020	226890002.30841333
2021	847590024.2086504
2022	306279997.6933749