Year	constant 2015 US$
1960	41774016875.98282
1961	47289791565.76563
1962	47462309725.128914
1963	53084157175.79415
1964	58079205290.13283
1965	64333179958.025406
1966	68511299278.56134
1967	72395537481.70587
1968	77610708515.49298
1969	86585353027.87384
1970	94317927816.04807
1971	101713563510.5715
1972	112047815104.74025
1973	121115148324.00392
1974	113317463990.86916
1975	120532170308.80548
1976	128790911614.12659
1977	132578654371.66057
1978	142186447962.64102
1979	146853121313.33167
1980	147847510036.9125
1981	145550371219.62384
1982	143901799272.06287
1983	142349641775.67148
1984	145211695738.2992
1985	148855865308.7605
1986	149626433106.4285
1987	146246576134.82343
1988	152517426493.7824
1989	158313089124.38007
1990	158313089124.38007
1991	163220795274.45584
1992	164363340582.86053
1993	161733527639.47263
1994	164968198192.2621
1995	168432067479.94528
1996	173252810009.65387
1997	181021811215.5402
1998	188072438329.15933
1999	193851146493.27536
2000	201449666605.4656
2001	209772785177.23944
2002	218001902488.38086
2003	230634091749.1195
2004	242306465817.46207
2005	243758225711.40662
2006	257536497407.64526
2007	265967590445.39603
2008	265076140108.78156
2009	253675921785.91907
2010	239780041723.27414
2011	215444010389.589
2012	200176146628.86124
2013	195139720340.7796
2014	196067992081.69522
2015	195683527003.3745
2016	194730209118.4659
2017	196856953384.06396
2018	200141371166.33035
2019	203903008195.06082
2020	184906515414.09872
2021	200401577457.9784
2022	211538468429.4315
2023	215793609025.3217