Year	current US$
1960	9770000.45776367
1961	33740001.6784668
1962	37700000.762939505
1963	23200000.762939498
1964	24690000.5340576
1965	17760000.2288818
1966	11750000
1967	2750000
1968	3650000.09536743
1969	1639999.98569489
1970	2950000.04768372
1971	3869999.8855590797
1972	2779999.97138977
1973	2059999.94277954
1974	2019999.9809265102
1975	7230000.01907349
1976	6570000.17166138
1977	10380000.1144409
1978	18579999.9237061
1979	45060001.373291
1980	73190002.44140631
1981	54810001.373291
1982	40630001.0681152
1983	43450000.762939505
1984	29200000.762939498
1985	22600000.3814697
1986	16899999.6185303
1987	38939998.626709
1988	59139999.3896484
1989	60810001.373291
1990	26719999.3133545
1991	64980003.356933594
1992	104989997.86377
1993	39590000.1525879
1994	43819999.6948242
1995	31149999.6185303
1996	67250000
1997	67629997.253418
1998	158630004.882813
1999	88629997.253418
2000	152729995.727539
2001	285390014.64843804
2002	109309997.558594
2003	285470001.220703
2004	215630004.882813
2005	220350006.10351598
2006	218860000.61035198
2007	230690002.44140598
2008	254220001.220703
2009	216649993.89648402
2010	240940002.44140598
2011	158919998.168945
2012	250020004.272461
2013	237490005.493164
2014	244919998.168945
2015	312980010.986328
2016	251289993.28613302
2017	214300003.05175802
2018	202800003.05175802
2019	175039993.28613302
2020	123599998.47412099
2021	83360000.6103516
2022	41090000.1525879