Year	constant 2010 US$
1970	41019658587.8615
1971	41891387436.2337
1972	43336192252.3757
1973	44313434902.4195
1974	40501216977.9747
1975	39096647212.1524
1976	44245794586.5144
1977	44551854297.6776
1978	41474816496.645
1979	32899834226.0502
1980	38071983487.107
1981	37757033082.7173
1982	44122601314.6722
1983	47246111760.6992
1984	50420916323.441
1985	52983276797.4836
1986	61665960647.5655
1987	65712626087.6159
1988	65412581887.7275
1989	67014259935.0146
1990	67345598961.5761
1991	77993289309.9445
1992	84864568066.9055
1993	86749800087.5278
1994	91652185711.7219
1995	96114054918.901
1996	99265476747.8969
1997	106310508831.919
1998	111424097780.662
1999	116120911349.094
2000	123448980333.498
2001	133403161877.504
2002	136428967397.659
2003	138070876581.501
2004	139912534674.902
2005	140683613940.042
2006	152344175026.841
2007	163169652083.894
2008	167786048992.094
2009	179808489550.478
2010	186889240402.455
2011	191034272271.629
2012	200910243837.078
2013	207487136695.616
2014	214916379365.33
2015	234400595263.188
2016	246755106462.237
2017	243590973137.18