Year	current US$
1960	38000000
1961	76000000
1962	199000000
1963	163000000
1964	171000000
1965	259549998.57023397
1966	256769996.94109002
1967	217559999.171644
1968	185189999.62136102
1969	197000000
1970	178000000
1971	220000000
1972	175000000
1973	159000000
1974	199000000
1975	209000000
1976	252000000
1977	272000000
1978	341000000
1979	444000000
1980	641000000
1981	732000000
1982	684000000
1983	802000000
1984	897000000
1985	1395000000
1986	946000000
1987	866000000
1988	821000000
1989	835000000
1990	1081000000
1991	1055000000
1992	1298000000
1993	1543000000
1994	1840000000
1995	1255000000
1996	946000000
1997	1388000000
1998	1110849982.8521202
1999	1338779988.96129
2000	1477100004.70839
2001	1374760003.1178398
2002	2369399995.98451
2003	4638419975.52104
2004	3497900008.54246
2005	4057439950.98583
2006	5592539988.91078
2007	4557450046.848511
2008	6691069969.0301
2009	7436550033.64384
2010	7412949975.44959
2011	8904750103.44386
2012	8600610047.4149
2013	9297309948.96591
2014	9453790041.83412
2015	9407339896.99185
2016	9878559953.45116
2017	11225670014.6776
2018	10589810023.2892
2019	9374349948.5068
2020	11096129981.7413
2021	13179830038.0688
2022	11128430024.066948