Year	current US$
1986	297840920.97075295
1987	332015802.8956414
1988	407400290.1286024
1989	417894372.62883586
1990	493754117.39775103
1991	510308251.2149704
1992	540686562.3778408
1993	535641211.9765528
1994	583123862.7670382
1995	749414545.7259674
1996	739328672.8213333
1997	742867296.9815823
1998	641560932.1963153
1999	654539471.7449071
2000	586901164.8335576
2001	438546733.01892996
2002	421850405.42806077
2003	682854884.7724575
2004	717874043.6009347
2005	544962122.9804227
2006	842010351.2114592
2007	1549746633.29349
2008	1573171701.773829
2009	1406224642.986751
2010	1311560977.0394428
2011	1601440884.6742005
2012	1918507346.2460659
2013	1962589159.0125575
2014	1993711625.3085659
2015	2107897532.6403725
2016	4505855241.186908
2017	2660235869.969244
2018	2308256661.7518473
2019	2392727329.4424834
2020	2335255496.1523848
2021	2375998843.185225
2022	3149667070.419385
2023	5572813416.471073