Year	current US$
1970	44860000.96797945
1971	65940001.666545875
1972	77490000.65028673
1973	64350001.9107014
1974	74960001.47610901
1975	75220001.56715508
1976	61609998.54281549
1977	59070001.09553334
1978	82669999.33123592
1979	172009997.33246875
1980	200189998.9843368
1981	290999996.7943882
1982	325599995.709956
1983	327750003.842637
1984	235229997.73919585
1985	313680001.42462564
1986	282020000.26218575
1987	188030000.61213967
1988	269100000.42803586
1989	271539998.76230913
1990	486140006.9147346
1991	405200000.0122942
1992	516590006.9791832
1993	717920008.2942845
1994	773689997.3601105
1995	961009983.9046596
1996	599250010.3414057
1997	689470013.616607
1998	742929998.1705849
1999	504449996.14730525
2000	359239996.4276703
2001	326810008.0899898
2002	343489994.30798036
2003	218849997.57632574
2004	445599990.6174838
2005	647909996.6399373
2006	549270005.4198505
2007	555339996.116236
2008	696609993.5211252
2009	580770010.6427082
2010	544169994.8552995
2011	747349990.6174846
2012	723219998.1827291
2013	717570001.2203311
2014	1099469994.6753676
2015	1141389999.3803353
2016	1451770005.8203187
2017	956610007.1668622
2018	1945019955.005494
2019	889719993.6788529
2020	1548869974.9242518
2021	904139993.2578198
2022	1357840017.3727417