Year	constant 2010 US$
1970	25030746249.204
1971	25841161441.5544
1972	27171581170.0125
1973	29122047557.6347
1974	29600307691.7477
1975	29844295946.3735
1976	30688898374.7711
1977	32766397066.5591
1978	35751834283.3228
1979	37337038047.4771
1980	37497177784.431
1981	38134138270.9988
1982	35442710436.6102
1983	35744636963.5001
1984	36462926779.9815
1985	38137017172.4394
1986	38904608556.8631
1987	40198071545.2934
1988	42001089095.9866
1989	44738952178.9092
1990	45371355983.1351
1991	46190253187.0308
1992	47523642672.4472
1993	48904628264.4336
1994	51038832454.2017
1995	52797993543.2198
1996	56546463872.756
1997	60191022773.1869
1998	64881713162.7674
1999	70995622391.3959
2000	78493123944.2256
2001	82129450487.1212
2002	85184273374.0519
2003	87635961839.9128
2004	90819202246.5481
2005	97229862681.0611
2006	103736087624.429
2007	110598990801.708
2008	110890515828.688
2009	105233681108.128
2010	105704894774.364
2011	103989116003.066
2012	103073227885.176
2013	103396732200.192
2014	105995962212.694
2015	109262931144.146
2016	115139052676.125
2017	118662220790.804
2018	122691891066.702