Year	current US$
1960	3800000.38444996
1961	4800000.19073486
1962	8920000.07629395
1963	14299999.952316301
1964	13699999.5708466
1965	14819999.9928474
1967	1569999.99284744
1968	14550000.1311302
1969	17179999.710992
1970	30669999.1822243
1971	30229999.4733185
1972	37120000.2897531
1973	38510000.5622953
1974	68960000.98250811
1975	74559998.7022579
1976	137649996.781722
1977	133359997.648746
1978	132980000.15504701
1979	200620002.10583198
1980	216769995.408133
1981	194770003.11948398
1982	198430003.274232
1983	98389998.9705533
1984	110179999.776185
1985	101509999.634698
1986	155090000.925586
1987	176959998.831153
1988	198009998.882189
1989	254769997.572526
1990	304829999.569803
1991	194680001.84372097
1992	313240005.221218
1993	311379993.584007
1994	280189999.435097
1995	373950000.977144
1996	383110003.508627
1997	341429996.820167
1998	341310006.601736
1999	141399998.09116098
2000	153480001.075193
2001	267949998.18690097
2002	228850000.014529
2003	271170000.232756
2004	277480001.537129
2005	272529998.967424
2006	167830000.25711998
2007	268809997.63310003
2008	230190000.474453
2009	262020005.825907
2010	225370004.31120402
2011	187229999.694973
2012	102159997.42224799
2013	79480000.1028925
2014	43259999.0144372
2015	25579999.7579306
2016	13009999.930858599
2017	6930000.10214746
2018	30480000.7063895
2019	15029999.954626
2020	12749999.877065402
2021	14799999.9057502
2022	6199999.904260036