Year	current US$
1965	4030000.2098083496
1970	479999.989271164
1971	1460000.03814697
1976	59999.9986588955
1977	159999.99642372102
1978	3990000.00953674
1979	159999.99642372102
1980	709999.978542328
1981	1740000.0095367401
1982	1190000.0572204601
1983	1110000.01430511
1984	1659999.9666214
1985	1429999.94754791
1986	3759999.99046326
1987	4059999.94277954
1988	2009999.9904632599
1989	7159999.84741211
1990	23100000.3814697
1991	26079999.9237061
1992	51840000.1525879
1993	121739997.86377
1994	26840000.1525879
1995	3529999.97138977
1996	-1149999.97615814
1997	-8140000.34332275
1998	-11630000.1144409
1999	-7210000.03814697
2000	-8079999.923706049
2001	11380000.1144409
2002	7949999.80926514
2003	18459999.084472697
2004	76059997.55859381
2005	137899993.89648402
2006	150039993.28613302
2007	78510002.1362305
2008	91550003.0517578
2009	81860000.6103516
2010	60290000.9155273
2011	52040000.9155273
2012	124489997.86377
2013	129929992.675781
2014	116029998.77929701
2015	100440002.441406
2016	155929992.67578098
2017	277920013.42773396
2018	295649993.89648396
2019	186610000.61035198
2020	172440002.44140598
2021	156110000.61035198
2022	125459999.084473