Year	current US$
1960	38000000
1961	76000000
1962	199000000
1963	163000000
1964	171000000
1965	259589998.56934002
1966	256799996.94041902
1967	217619999.17030302
1968	185219999.620691
1969	197000000
1970	178000000
1971	220000000
1972	175000000
1973	159000000
1974	199000000
1975	209000000
1976	252000000
1977	272000000
1978	341000000
1979	444000000
1980	642000000
1981	733000000
1982	686000000
1983	805000000
1984	900000000
1985	1397000000
1986	950000000
1987	867000000
1988	822000000
1989	839000000
1990	1089000000
1991	1057000000
1992	1303000000
1993	1543000000
1994	1842000000
1995	1255000000
1996	946000000
1997	1388000000
1998	1110979982.84735
1999	1338889988.9607
2000	1477210004.7078
2001	1374830003.11814
2002	2369419995.98406
2003	4638459975.52015
2004	3497900008.54246
2005	4057449950.98561
2006	5592649988.91018
2007	4557590046.8491
2008	6691079969.02987
2009	7436560033.6436205
2010	7412959975.44937
2011	8904770103.44341
2012	8600640047.41423
2013	9297539948.97008
2014	9453860041.83441
2015	9407369896.99118
2016	9878559953.45116
2017	11225670014.6776
2018	10589810023.2892
2019	9374349948.5068
2020	11096129981.7413
2021	13179830038.0688
2022	11128430024.066948