Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	29999.999329447703
1965	9999.99977648258
1966	49999.998882412896
1967	59999.9986588955
1968	9999.99977648258
1969	220000.000670552
1970	109999.999403954
1971	49999.998882412896
1972	379999.993368983
1973	509999.992325902
1974	799999.991431832
1975	2560000.03963709
1976	4100000.02756715
1977	5209999.96550381
1978	3739999.97228384
1979	6729999.8998642005
1980	8989999.82699752
1981	5339999.97377396
1982	11250000.134110501
1983	9190000.00506639
1984	13329999.9982119
1985	14389999.7565895
1986	23560000.0098348
1987	29810000.1756102
1988	40180000.7317215
1989	42689999.9920279
1990	69289999.0677834
1991	60439998.7217039
1992	65899999.0262091
1993	46680000.5957484
1994	55299999.9057502
1995	65249999.72619121
1996	68550000.0491738
1997	70820001.6152114
1998	90699999.243021
1999	70240000.6037205
2000	59430000.0406802
2001	87099999.6270984
2002	60019999.0384281
2003	74699999.6360391
2004	86870000.37916
2005	105870000.202209
2006	108669999.051839
2007	276839997.641742
2008	148130003.053695
2009	137909998.42435098
2010	226199995.62203902
2011	252650003.569201
2012	366199999.05675703
2013	810309974.471107
2014	342050002.53953
2015	238199997.290969
2016	208319998.953491
2017	170229997.029528
2018	191190000.08702302
2019	196350002.545863
2020	121220000.565052
2021	153430003.33011198
2022	143119998.79777426