Year	current US$
1980	671696892.6375219
1981	744863458.123733
1982	709330355.3113502
1983	708123410.2368308
1984	722704816.6279911
1985	629327581.6461781
1986	670811266.8391567
1987	520282003.64203537
1988	604233287.585809
1989	628740926.2327126
1990	773353879.5963366
1991	1059665795.4356148
1992	826677980.4483421
1993	977542905.8653424
1994	890193540.7069613
1995	1007866417.7921872
1996	1589595463.739119
1997	2022212753.1481512
1998	1230207716.5335224
1999	1211239387.225708
2000	1155988552.1597812
2001	1195228556.434349
2002	2396224151.803587
2003	2147580143.1613517
2004	2352002167.026307
2005	2543731359.441712
2006	2843540821.3155313
2007	3198288628.746053
2008	3863133789.0604153
2009	4539252356.607676
2010	5185129164.902945
2011	6017501267.925541
2012	4606845107.705153
2013	4215369504.9467998
2014	4631244702.818903
2015	4905425159.637797
2016	4264168189.4972878
2017	4751008698.807636
2018	5280742012.678667
2019	5779133454.712948
2020	6429976269.823132
2021	6810632910.567475
2022	7229016931.86476
2023	7345950750.555793