Year	constant 2010 US$
1970	65356793088.8761
1971	67196115232.9948
1972	72687429080.0356
1973	76914819901.7187
1974	78838541788.9681
1975	82112067283.6902
1976	84547738689.9468
1977	85099608481.1452
1978	87260154148.9241
1979	91870936845.8024
1980	94680455529.9675
1981	96693580703.5008
1982	101085372200.499
1983	104267964168.92
1984	107646570956.87
1985	112103259252.225
1986	116608951252.462
1987	121963599329.169
1988	127667895462.332
1989	133051680877.078
1990	134451597527.357
1991	132156369944.638
1992	126976545896.158
1993	123160879037.639
1994	125481270685.027
1995	130997498545.4
1996	135244927776.664
1997	139840680639.928
1998	145355584075.844
1999	149565929422.332
2000	152193587543.576
2001	156292681235.738
2002	160318931582.804
2003	165709339119.831
2004	170632224823.794
2005	175482267182.661
2006	181067365114.76
2007	186212754127.377
2008	189865516777.775
2009	187190179376.105
2010	191052201090.594
2011	194841379459.988
2012	195593652551.151
2013	195647953953.858
2014	196368440858.07
2015	198564336606.569
2016	202764086557.407
2017	204255388495.169
2018	207922719814.586