Year	current US$
1976	17557905665.000443
1977	22288389964.223362
1978	24063183800.071667
1979	29159654665.420853
1980	33449904963.671864
1981	37235263005.23917
1982	35153498423.42287
1983	35217597396.62704
1984	36147691812.532715
1985	38108352569.39242
1986	37282944013.16871
1987	41893902251.11728
1988	47524293724.28054
1989	52862380160.896904
1990	60945232531.42459
1991	65329642632.17639
1992	74087000249.34573
1993	79756500064.03122
1994	89513404890.82928
1995	101015820566.53041
1996	109353502737.05615
1997	127728552331.49977
1998	117597092561.9517
1999	115986038881.78156
2000	129636495202.0894
2001	119663905530.28926
2002	125865788238.8625
2003	144846051426.8122
2004	189098434559.08084
2005	228118575941.9351
2006	257035829256.29205
2007	306114915739.16064
2008	346768451791.5368
2009	318634916489.6279
2010	373397063327.5702
2011	418963032172.0722
2012	456849200171.99786
2013	490117758761.4677
2014	516741940018.8106
2015	515999361928.33356
2016	518920287527.04156
2017	586750063288.0415
2018	649115802123.4432
2019	689929447723.0117
2020	512699413690.5376
2021	643500392670.6367
2022	863112078608.3438
2023	955953329076.718