Year	current US$
1980	1092953345.82817
1981	1290315152.21477
1982	1251077258.98143
1983	1352797699.80966
1984	1446321128.60089
1985	1559768594.88744
1986	1726843502.83447
1987	1920197737.47648
1988	2124656727.39739
1989	2108223252.55532
1990	2229300761.50942
1991	1631151334.26465
1992	1738470988.42502
1993	1694535479.00777
1994	535339171.602547
1995	1002172161.38934
1996	1065742086.48376
1997	1461588486.28019
1998	1575848880.35106
1999	1806668304.26727
2000	1760020342.94882
2001	1659940242.15747
2002	1649603687.02408
2003	1725626586.29907
2004	1964680956.89066
2005	2470158285.44777
2006	2817460524.54587
2007	3425077780.45509
2008	4206231860.354
2009	4638543617.97428
2010	5020477758.28278
2011	5627671312.78933
2012	6215412417.41647
2013	6305084646.44227
2014	6609315653.64801
2015	6950737986.35936
2016	7006635237.62609
2017	7342473062.54547
2018	7743683361.86707
2019	8375800501.34836
2020	8275811725.74515
2021	8997489877.93417