Year	current US$
1980	12136257471.442265
1981	12814260615.988365
1982	12379758066.696653
1983	11494211278.86149
1984	11916038467.301825
1985	11388841464.974377
1986	11436196425.860619
1987	14472655007.053778
1988	16026487061.767693
1989	17404723746.36255
1990	20998467443.773476
1991	22313177260.12481
1992	25117603850.12289
1993	23025848630.068306
1994	24509381973.33696
1995	32061506448.454338
1996	34585664384.497894
1997	34285774685.234085
1998	34705683740.64681
1999	34758125668.09389
2000	36024206349.126
2001	35244384598.3572
2002	38295261959.78102
2003	45122319972.059685
2004	54777347232.66817
2005	63119886950.59103
2006	72939862475.96626
2007	86539265231.95572
2008	101203377491.57567
2009	79045512081.05058
2010	88198656041.19061
2011	111313149409.93387
2012	115971361295.126
2013	121154466685.79282
2014	119189882573.34122
2015	105057184337.4246
2016	107040985854.57793
2017	121407042006.07661
2018	136417444206.05302
2019	136043254361.73195
2020	128010632462.02351
2021	158710304084.5431
2022	180075653826.88297
2023	185151621176.61893