Year	current US$
1960	8000000
1961	14000000
1962	23000000
1963	19000000
1964	9000000
1965	11310000.4196167
1966	17290000.915527303
1967	13380000.1144409
1968	13890000.3433228
1969	15000000
1970	10000000
1971	23000000
1972	17000000
1973	19000000
1974	27000000
1975	25000000
1976	30000000
1977	10000000
1978	11000000
1979	12000000
1980	19000000
1981	2000000
1982	1000000
1983	6000000
1984	19000000
1985	143000000
1986	91000000
1987	5000000
1988	66000000
1989	23000000
1990	50000000
1991	88000000
1992	65000000
1993	125000000
1994	122000000
1995	70000000
1996	56000000
1997	60000000
1998	53229999.5422363
1999	77349998.4741211
2000	129820007.324219
2001	94419998.1689453
2002	156429992.67578098
2003	567799987.792969
2004	402299987.792969
2005	608609985.351563
2006	315779998.779297
2007	371730010.986328
2008	811369995.117188
2009	726039978.027344
2010	802630004.882813
2011	659280029.296875
2012	693400024.414063
2013	678780029.296875
2014	664840026.855469
2015	746429992.675781
2016	874890014.648438
2017	1026680053.71094
2018	821320007.324219
2019	865979980.46875
2020	794179992.675781
2021	1324630004.88281
2022	1437010009.76563