Year	current US$
1970	12390000.03226104
1971	3980000.0842660675
1972	-19999.99955296592
1973	1540000.0270456069
1974	11190000.098198654
1975	83659998.60316516
1976	42979999.59997836
1977	203979999.13059175
1978	311439995.96312636
1979	159110003.56264374
1980	178340002.21639857
1981	120629998.87764443
1982	124830000.92208378
1983	115270001.42633925
1984	160440004.35248017
1985	133620001.39988965
1986	219029994.80254927
1987	280090008.43018305
1988	377339992.262423
1989	246630000.72911394
1990	332299995.8526344
1991	1323420013.4258716
1992	271630000.35099775
1993	474320011.9957334
1994	715710003.0407313
1995	664179998.1929356
1996	506320009.71585584
1997	488780006.96375984
1998	374100002.86251324
1999	518030003.69481736
2000	507610000.07204735
2001	311759998.02723527
2002	169679999.16523695
2003	274650001.1831521
2004	873760005.5038931
2005	3457350098.3417034
2006	794649999.1789463
2007	867919998.8245964
2008	1837049975.574017
2009	63850000.81360333
2010	254500006.0796731
2011	234339987.99323988
2012	486699991.40501004
2013	641570024.8479841
2014	486020007.8487393
2015	540390010.5953221
2016	883119975.2986429
2017	764169996.1572893
2018	712730015.9931178
2019	696699996.9184399
2020	1089300003.4093857
2021	933560009.002686
2022	1193240030.527115