Year	current US$
1981	72122091709.09805
1982	64314892406.85301
1983	57045839708.26417
1984	45128880288.50921
1985	41470160338.40526
1986	41151728272.79112
1987	47065617960.27236
1988	51189976639.593025
1989	51254293287.9239
1990	60437939270.964355
1991	63880450066.582985
1992	59865404711.407234
1993	59525700542.78477
1994	64632683000.508644
1995	83314421807.89668
1996	89084155122.59248
1997	94046387676.56769
1998	89953857487.76901
1999	57669354079.275734
2000	59301454930.20171
2001	56634472677.541374
2002	57856072261.458786
2003	74887093483.10422
2004	90821133516.68175
2005	102109256671.1538
2006	108622012538.49341
2007	122730930030.4871
2008	132640136015.29788
2009	130239796687.97661
2010	143826237228.6393
2011	160298886124.76224
2012	164012625408.04984
2013	181072963057.0137
2014	191388186175.47498
2015	170826371790.78928
2016	156375619438.152
2017	168067759389.3259
2018	189157698555.3654
2019	201675388419.8441
2020	189936143129.71323
2021	223182250845.20917
2022	234739523977.67484
2023	227130570567.66434