Year	constant 2010 US$
1971	41085354010.2187
1972	42042715291.5668
1973	46756278721.5587
1974	50093392117.1034
1975	52975663917.0934
1976	57336869165.9387
1977	60391438254.0437
1978	64444122825.1083
1979	66225472508.6276
1980	68434114886.5029
1981	72152529463.0898
1982	73326256772.5729
1983	74299081945.5739
1984	67081578773.9958
1985	62330882447.1797
1986	64288568902.7912
1987	69224864300.5715
1988	75306872380.1136
1989	78880483912.2173
1990	83806655013.1734
1991	84165685004.8517
1992	86495080713.0354
1993	86982390810.2959
1994	93243059885.7618
1995	98041147910.9199
1996	104148457732.456
1997	112196580369.18
1998	121296746856.727
1999	126732846167.572
2000	138623743370.747
2001	142189321057.703
2002	148631570387.018
2003	155406949036.578
2004	160711255906.589
2005	167085563746.784
2006	172964146752.787
2007	178001367191.604
2008	188852570307.153
2009	201446866756.012
2010	214236444409.824
2011	216523482552.148
2012	233513027569.082
2013	257793095485.688
2014	270192792386.181
2015	293442757859.763
2016	316652887193.431
2017	336002608883.041