Year	current US$
1964	50000.0007450581
1965	100000.00149011599
1966	90000.0035762787
1967	70000.0002980232
1968	19999.9995529652
1969	9999.99977648258
1976	29999.999329447703
1977	219999.998807907
1978	270000.010728836
1979	319999.99284744303
1980	259999.990463257
1981	19489999.7711182
1982	430000.00715255697
1983	200000.00298023198
1984	200000.00298023198
1985	129999.995231628
1986	170000.00178813902
1987	-3150000.09536743
1988	-4170000.07629395
1989	-1779999.97138977
1990	-5610000.1335144
1991	10470000.2670288
1992	-6829999.92370605
1993	589999.973773956
1994	769999.980926514
1995	560000.002384186
1996	550000.011920929
1997	409999.99642372096
1998	439999.997615814
1999	379999.99523162795
2000	270000.010728836
2001	330000.013113022
2002	310000.002384186
2003	360000.01430511504
2004	180000.00715255702
2005	150000.005960464
2006	70000.0002980232
2007	100000.00149011599
2008	150000.005960464
2009	129999.995231628
2010	90000.0035762787
2011	150000.005960464
2012	889999.985694885
2013	670000.016689301
2014	560000.002384186
2015	779999.971389771
2016	310000.002384186
2017	4570000.17166138
2018	790000.021457672
2019	2809999.94277954
2020	1990000.0095367401
2021	7420000.07629395
2022	4809999.94277954