Year	constant 2015 US$
1966	19889647011.3896
1967	20843090803.173508
1968	22166630237.248028
1969	25627060885.856495
1970	26200858665.285046
1971	26177532985.55506
1972	28028631300.72011
1973	30515268291.9129
1974	28463327421.42078
1975	23839551293.11696
1976	28967088261.900043
1977	28577632214.766415
1978	28154451414.05199
1979	29378222373.795444
1980	24968940595.099308
1981	20867258349.49618
1982	23287788301.582676
1983	24099245584.939274
1984	28552633057.641106
1985	31783934938.765884
1986	36821628065.30248
1987	35526327280.30025
1988	34405974667.071846
1989	35655739595.576355
1990	35464356445.915245
1991	34078602713.917793
1992	34728864988.60465
1993	32037902932.503807
1994	36363108933.37128
1995	41700543279.66128
1996	42140123237.31509
1997	48211655442.54473
1998	51045849565.34384
1999	48555716241.54868
2000	54258149845.64304
2001	53458659582.93921
2002	52816314926.81274
2003	52457109893.12258
2004	56003518545.66374
2005	59101658654.120605
2006	66646476719.06097
2007	68427405959.08306
2008	65145138449.48005
2009	51313916743.62438
2010	51012603118.02987
2011	53794989448.488785
2012	55029488113.26885
2013	56895429677.97705
2014	59336123702.39714
2015	62445104478.21591
2016	67191616402.467255
2017	70026237403.94826
2018	73071061078.48373
2019	71501670439.64732
2020	74055712050.34085
2021	84686365059.28262
2022	88451824307.64128
2023	77640149618.32564