Year	constant 2010 US$
1970	176748968924.761
1971	182616663436.103
1972	194305208740.522
1973	207782643317.134
1974	211299735607.831
1975	208652456274.447
1976	220668684488.192
1977	220784074115.371
1978	228230008039.299
1979	230805793686.636
1980	230960178237.462
1981	223055442314.205
1982	223506002932.953
1983	225273121633.264
1984	232504635225.408
1985	239181978461.381
1986	250950109985.678
1987	258979433988.242
1988	274630709409.247
1989	283673355292.695
1990	292504540166.031
1991	298384884908.716
1992	304904666132.641
1993	308413934305.021
1994	319657785724.515
1995	325057543831.144
1996	327665303244.694
1997	338695445706.69
1998	345554070456.281
1999	353582467173.844
2000	363045399052.293
2001	361528671134.806
2002	368591759354.606
2003	369006911205.924
2004	378371104825.53
2005	382354795750.523
2006	388265537363.448
2007	402032738551.346
2008	398660677117.556
2009	383982676237.405
2010	405823035288.4
2011	397500482017.862
2012	403892989820.589
2013	401898046298.604
2014	403148058565.475
2015	408109568398.373
2016	420990627325.506
2017	431463424358.287