Year	current US$
1975	9892540437.993254
1976	10200324485.570728
1977	10771965895.965328
1978	12316318266.635666
1979	14166794918.738712
1980	19682444310.876434
1981	19822703816.742752
1982	18645210304.648758
1983	18681455807.75775
1984	20358514429.836243
1985	21009306722.521587
1986	21189979767.340824
1987	25294606319.15022
1988	26782767720.41197
1989	27831863775.554836
1990	32085423449.28582
1991	31050123518.733143
1992	32589106317.581375
1993	30041589375.054012
1994	32840787222.203472
1995	41923159153.90992
1996	48251047450.18436
1997	50341997937.12501
1998	43192235125.34185
1999	48878418044.778694
2000	62809613904.90818
2001	63597295230.06998
2002	64421690860.740715
2003	72819496815.90686
2004	90870298044.75294
2005	121146768374.03615
2006	140712284555.82278
2007	160458379360.11246
2008	196313067167.76532
2009	139043151151.7664
2010	159293027903.70883
2011	195429820482.2818
2012	202407915843.36273
2013	203208513509.0176
2014	196360101543.1812
2015	139739256921.09937
2016	122241501208.40877
2017	136035307787.98155
2018	161363652279.30615
2019	136583275211.66516
2020	119246561070.37445
2021	201243611403.80643
2022	308001850414.99756
2023	209381256628.1751