Year	constant 2015 US$
1970	23473303459.740753
1971	25605049323.364525
1972	29060856280.66227
1973	34972433286.29627
1974	49792701070.09371
1975	63584494986.08161
1976	66878281438.08273
1977	69466172057.90001
1978	79013432904.92596
1979	85714748638.3967
1980	91721469524.4515
1981	100475552474.45602
1982	108360169492.09937
1983	112001146114.02585
1984	109696933592.78445
1985	108183079338.47096
1986	100167679626.03252
1987	98397571217.33719
1988	99273081790.08269
1989	100629949082.52199
1990	102321033257.84528
1991	103866549904.68417
1992	110105586966.78107
1993	111610922209.9197
1994	112293892679.93631
1995	110533363243.16998
1996	113273517150.60493
1997	119303528258.43806
1998	122424678060.61942
1999	126813717128.29077
2000	130785010968.74867
2001	135556731981.05113
2002	140225484206.6973
2003	145081216871.5622
2004	159147905432.67462
2005	172135761828.87772
2006	187068903154.78082
2007	203216411182.30493
2008	221276692558.05075
2009	236811907058.37103
2010	257520327561.90903
2011	280363502673.49677
2012	297428131383.02637
2013	317860634463.9894
2014	333349889031.1428
2015	345133600000
2016	350501196429.82416
2017	359954869342.1087
2018	361451847233.0305
2019	374341493010.38745
2020	367162439590.9886
2021	390188704742.13715
2022	408940477915.2481
2023	428187366078.7176