Year	current US$
1975	17262454884.9216
1976	18230833114.604355
1977	22256639479.81716
1978	29218939311.033875
1979	35005034362.81445
1980	42381440078.477905
1981	41085739876.51131
1982	35672634821.199554
1983	34463559451.789764
1984	33899747192.51238
1985	35701833916.70038
1986	43684945482.6706
1987	50911219433.35102
1988	53981191539.555725
1989	59138297957.31727
1990	76160573121.52193
1991	79151490744.2948
1992	90682141288.26672
1993	84667581546.11414
1994	80988827406.60307
1995	91139505001.26665
1996	90105260363.8779
1997	83904915985.96124
1998	89250901566.16977
1999	105806403184.31987
2000	96164682221.1525
2001	99925529105.55103
2002	112137671297.8268
2003	125315487463.47379
2004	141994569249.1436
2005	152356306317.70926
2006	164602745987.6787
2007	195741227135.92667
2008	223152067320.75775
2009	192975688500.56488
2010	200653956765.94095
2011	235640078675.42184
2012	233368842051.31088
2013	253109704353.61496
2014	271721280332.3187
2015	254811781528.01337
2016	258492518338.9764
2017	273733143249.70523
2018	301781653863.36475
2019	295024543659.8775
2020	245474918841.88318
2021	302582885479.6106
2022	342395334763.00684
2023	359129363609.86847