Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	82800000.66757199
1965	88200000.2861023
1966	77499999.1059303
1967	90599999.666214
1968	93600000.4410744
1969	104300000.309944
1970	82199999.2728233
1971	90999999.0463257
1972	127729999.423027
1973	134810001.015663
1974	185700001.239777
1975	212300001.74045599
1976	217039998.054504
1977	198799999.7437
1978	246710002.690554
1979	281110005.248338
1980	414149997.44296104
1981	439680001.974106
1982	419550000.727177
1983	375220001.60813296
1984	484909991.681576
1985	468049999.475479
1986	568160002.350807
1987	690340006.6494939
1988	736819998.025894
1989	786339995.026588
1990	1136950000.3457098
1991	1007590004.13492
1992	938510007.560253
1993	859610002.636909
1994	758860015.869141
1995	709679991.483688
1996	685779999.084771
1997	768210013.160482
1998	495030002.489686
1999	424760005.569085
2000	434570002.90975
2001	343300000.190735
2002	781830004.006624
2003	1897119998.1868298
2004	1244560001.0752702
2005	604110002.428293
2006	702499995.5892559
2007	895360005.617142
2008	782099996.477365
2009	636320001.661778
2010	931599994.510412
2011	1680020040.15446
2012	568579999.515787
2013	582279995.4451619
2014	632179996.706545
2015	673060004.113242
2016	500100001.674145
2017	666929998.94917
2018	695240004.03285
2019	739849997.796118
2020	1419820009.82761
2021	1116140005.49912
2022	1045570008.0096717