Year	current US$
1960	760000.0221282234
1961	8920000.32402575
1962	80310000.91508026
1963	43490000.07845461
1964	-54419999.82856214
1965	13179999.683052287
1966	27360000.049695328
1967	24220000.771805685
1968	17540000.690147273
1969	9539999.948814508
1970	2769999.9399483195
1971	5579999.884590505
1972	4850000.1095235385
1973	4649999.776855106
1974	2139999.9558925657
1975	1230000.0134855546
1976	-16520000.018179413
1977	-10449999.814853076
1978	-18380000.209435828
1979	5920000.031590462
1980	15049999.60958957
1981	12989999.920129787
1982	14410000.044852505
1983	15269999.997690322
1984	15030000.345781446
1985	13460000.256076453
1986	17469999.76783991
1987	19749999.841675155
1988	23069999.68737363
1989	60179998.213425264
1990	76550000.53904955
1991	24150000.121444456
1992	31990000.24795535
1993	36950000.31031671
1994	23960000.175982695
1995	41090000.28669831
1996	31339999.55840408
1997	1660000.5943327951
1998	28569999.622181054
1999	38539999.70480799
2000	70100000.85458156
2001	38309999.46221703
2002	50539999.809116125
2003	74680001.2998283
2004	39550000.2652407
2005	43129999.77543947
2006	48699999.71240756
2007	63299999.27245081
2008	53519999.8412281
2009	50320000.42311852
2010	43249999.566003665
2011	38229999.281466015
2012	39090000.6853044
2013	29590000.0166148
2014	34189999.993890524
2015	25580000.357702382
2016	33659999.80643392
2017	76959999.94873998
2018	129600000.77821323
2019	233089999.8918176
2020	288750000.4023316
2021	242919995.27998304
2022	249849998.07551458