Year	constant 2021 US$
1960	3391310037.65762
1961	6675899929.07643
1962	6064030084.19275
1963	5915539950.25158
1964	5007579946.21992
1965	6061880006.55174
1966	6701649927.61612
1967	5892970042.94395
1968	5885179973.60229
1969	5162319968.5812
1970	5580919971.34686
1971	5114409930.706019
1972	5137509986.96685
1973	4663759947.40427
1974	5038529933.92944
1975	5940959989.011291
1976	6387179936.409
1977	5061860009.67026
1978	5673619968.65273
1979	9571569978.71399
1980	10277439972.8775
1981	11611359972.9538
1982	10558819857.5974
1983	9948940054.206179
1984	10307279914.0215
1985	10458329853.0579
1986	9497320030.2124
1987	10057700002.670301
1988	9294530035.01892
1989	9949279952.544722
1990	12932399858.970146
1991	15559919984.40958
1992	13523119896.18276
1993	16026030041.94236
1994	14974850110.53085
1995	15801579966.0683
1996	13967800130.844149
1997	12978089925.28919
1998	14500539957.046482
1999	17657629840.37403
2000	16144850014.68662
2001	15891449914.93221
2002	17740119884.01414
2003	17545770067.21499
2004	19989870124.81693
2005	37822569817.543
2006	22824120139.121998
2007	21515859996.7957
2008	23265190320.968597
2009	17362249904.632603
2010	14655170018.1961
2011	18088409790.9927
2012	16474400048.2559
2013	14954380040.1688
2014	16955630048.0962
2015	17054659925.4608
2016	21364960140.9435
2017	19073770153.939697
2018	16316669885.635399
2019	14543350054.7409
2020	20389460029.1252
2021	18286420124.411602