Year	constant 2015 US$
1970	48257006389.09143
1971	52388398353.415436
1972	56267599159.555824
1973	65515880708.3745
1974	67611901633.72076
1975	70651325757.90068
1976	68082560610.60853
1977	65947556279.74793
1978	70595174906.73648
1979	73651206123.23663
1980	71759221731.4867
1981	77097246087.21759
1982	80425727884.73915
1983	84503377127.91054
1984	81717510569.87271
1985	81242671583.55138
1986	85922472192.44464
1987	95314721838.68622
1988	97324059345.65419
1989	94835887569.14374
1990	104023865271.64365
1991	117832097422.92361
1992	124734382830.925
1993	132713902748.59578
1994	142009953261.0095
1995	150595585866.81543
1996	159848055657.99075
1997	164095582007.6327
1998	169088181724.62598
1999	175654353929.9345
2000	184882854080.01385
2001	189386980060.88947
2002	189994950559.58163
2003	187621168045.9673
2004	193043056815.7456
2005	200133636121.95032
2006	209806959307.06244
2007	223163238197.33307
2008	227711099009.47662
2009	228885867672.91302
2010	241177215127.99646
2011	256541598902.27716
2012	265334546288.75293
2013	272807005617.25513
2014	284828994983.06274
2015	293226622872.0898
2016	312907864757.0862
2017	325996284207.36707
2018	340838631705.3302
2019	354787103983.5345
2020	344326417992.36774
2021	381023831482.35535
2022	409005066763.8613
2023	410322252647.82855