Year	current US$
1960	3509999.99046326
1961	17139999.3896484
1962	54750000
1963	65849998.474121094
1964	89809997.55859381
1965	110139999.38964799
1966	136929992.67578098
1967	135100006.10351598
1968	180190002.44140598
1969	129240005.493164
1970	174699996.94824198
1971	220680007.93457
1972	223039993.28613302
1973	324230010.986328
1974	545350036.621094
1975	661750000
1976	470640014.64843804
1977	537989990.234375
1978	764619995.117188
1979	1135439941.40625
1980	1020360046.38672
1981	1392500000
1982	1094359985.35156
1983	1113280029.29688
1984	1219010009.76563
1985	1295319946.28906
1986	1438690063.47656
1987	1626410034.17969
1988	2458840087.89063
1989	2347800048.82813
1990	2479340087.89063
1991	3966380126.95313
1992	4539220214.84375
1993	4145379882.8125
1994	5073850097.65625
1995	5379069824.21875
1996	5879910156.25
1997	5702910156.25
1998	5976709960.9375
1999	5772169921.875
2000	5128689941.40625
2001	6007030273.4375
2002	5682969726.5625
2003	7418500000
2004	9195290039.0625
2005	8563360351.5625
2006	9482040039.0625
2007	11099419921.875
2008	12556129882.8125
2009	12913899414.0625
2010	12231310546.875
2011	16822240234.375
2012	17033580078.125
2013	15545339843.75
2014	16457490234.375
2015	13493669921.875
2016	16727810546.875
2017	15991049804.6875
2018	16631509765.625
2019	14759390625
2020	20566810546.875
2021	20441220703.125
2022	19847930185.008797