Year	constant 2010 US$
1970	4515080673.34195
1971	4903214418.98835
1972	5139638974.10484
1973	5314584049.42877
1974	5364448647.60732
1975	5881110595.61379
1976	6200113002.69699
1977	6734354113.5696
1978	7167450662.78392
1979	7236267036.90271
1980	6959700806.38656
1981	8269777640.6788
1982	8962731013.59046
1983	9400270832.37468
1984	10147151054.9185
1985	11047180615.7622
1986	10042039817.2242
1987	9868907219.11228
1988	10179088745.7878
1989	10522925260.0669
1990	9943329960.3418
1991	6251163679.82099
1992	3421538049.22701
1993	3235914928.80391
1994	3856104495.52482
1995	4299865264.44264
1996	5343692026.03743
1997	5244092758.34011
1998	5316328315.70382
1999	5445610252.23759
2000	5433551668.02278
2001	5229599267.69732
2002	4847782750.20342
2003	5435754678.60049
2004	6141181855.1668
2005	7723639137.51017
2006	9302502034.17413
2007	9199424328.72254
2008	9877719690.80553
2009	8402746135.06916
2010	11400000000
2011	11517107404.3938
2012	11274776240.8462
2013	11960028478.4378
2014	11777990235.9642
2015	12971094385.6794
2016	11590154597.2335
2017	11404637917.0057