Year	current US$
1960	119999.997317791
1961	230000.004172325
1962	1110000.01430511
1963	2869999.8855590797
1964	2539999.96185303
1965	1539999.96185303
1966	1000000
1967	3509999.99046326
1968	6190000.05722046
1969	2299999.95231628
1970	2180000.0667572
1971	2809999.94277954
1972	16370000.839233398
1973	10539999.961853001
1974	18760000.2288818
1975	17209999.084472697
1976	24700000.762939498
1977	23350000.3814697
1978	19440000.5340576
1979	19250000
1980	24270000.4577637
1981	17309999.4659424
1982	14760000.2288818
1983	14350000.3814697
1984	9380000.11444092
1985	19149999.6185303
1986	17579999.9237061
1987	27200000.762939498
1988	21540000.915527303
1989	29010000.2288818
1990	173949996.94824198
1991	119839996.337891
1992	63470001.220703095
1993	29159999.8474121
1994	33340000.152587898
1995	35819999.6948242
1996	67540000.9155273
1997	34779998.779296905
1998	51880001.0681152
1999	58900001.5258789
2000	44279998.779296905
2001	59720001.220703095
2002	51049999.237060495
2003	50349998.4741211
2004	20950000.762939498
2005	21930000.3051758
2006	17180000.3051758
2007	27870000.8392334
2008	21719999.3133545
2009	39770000.4577637
2010	39400001.5258789
2011	35590000.1525879
2012	70559997.55859381
2013	47930000.3051758
2014	57880001.0681152
2015	68029998.7792969
2016	171110000.61035198
2017	302149993.89648396
2018	331040008.544922
2019	511750000
2020	397679992.675781
2021	438480010.986328
2022	271929992.675781