Year	current US$
1970	5209999.989718198
1971	9009999.969974171
1972	6889999.909326433
1973	11180000.241845848
1974	10810000.032186503
1975	24789999.943226606
1976	14990000.206977133
1977	17609999.98450278
1978	18100000.51558017
1979	72879999.66368076
1980	46429998.90074134
1981	60650000.635534465
1982	31979999.590665136
1983	25330000.149086155
1984	33539999.71039597
1985	33980000.87589029
1986	34549999.330192775
1987	26880000.59500338
1988	49430000.543594435
1989	38080000.69856644
1990	54469999.80509275
1991	99320000.87201586
1992	46639999.29837887
1993	39310000.14580785
1994	52069999.85501173
1995	28779999.982565597
1996	32820000.34302474
1997	41809999.40633772
1998	29599999.27878377
1999	27540000.203996886
2000	34450000.24139882
2001	31410000.000148993
2002	41829999.77096921
2003	192449995.45626336
2004	374530006.218702
2005	1372680020.0045109
2006	261060000.0619889
2007	104459997.59435654
2008	701889976.9783022
2009	145180001.85489646
2010	121949997.79202038
2011	129870001.99034807
2012	204979998.33524227
2013	491879990.73415977
2014	526519991.75548506
2015	896440004.138277
2016	1267600005.9843054
2017	1081719982.1956465
2018	1022480011.4110104
2019	1171110004.663468
2020	916399980.7834623
2021	590830001.1157992
2022	305299997.8363515