Year	current US$
1980	46148810.0157257
1981	49226883.5957281
1982	35123491.3783731
1983	37577555.2844133
1984	49826574.7016168
1985	46065331.223875
1986	46633691.9362678
1987	58974177.699716
1988	77017604.3020205
1989	109154346.48956099
1990	120865611.3932395
1991	144788599.8043455
1992	160380974.544814
1993	188366397.52855602
1994	141636723.51685598
1995	159714516.9118285
1996	154749738.666561
1997	155765898.664139
1998	154812464.8583405
1999	213784836.022978
2000	298930934.574588
2001	258134011.037186
2002	257245504.50550696
2003	232123180.0087705
2004	234159353.55577
2005	262645998.10560548
2006	274963217.93788147
2007	295536398.944987
2008	366298014.836533
2009	274810169.9394525
2010	265602249.6044795
2011	210727453.826739
2012	238761909.971654
2013	284247640.23793054
2014	365568782.43536
2015	366169779.8771195
2016	402126414.55427897
2017	341049813.1649625
2018	378750946.42773503
2019	402298363.16620797
2020	378975355.29908353
2021	528269872.96336997
2022	611154315.1836201
2023	697500000