Year	constant 2010 US$
1970	54353184938.6037
1971	55450610775.6327
1972	59054163449.0506
1973	66134856183.295
1974	72022141488.6634
1975	66402217154.4712
1976	65527012446.405
1977	63221779185.6294
1978	62825834304.4485
1979	63706787899.6227
1980	62903444604.6528
1981	66031438398.5881
1982	66437389809.1697
1983	68747827727.6327
1984	72358404224.6566
1985	72529344862.6986
1986	74065935596.7371
1987	74834797458.0904
1988	76087382360.7835
1989	79333667910.3495
1990	78410659280.3175
1991	74689908642.1607
1992	76004334810.2042
1993	80651178309.3107
1994	85930145253.2434
1995	90376938145.0926
1996	93955870075.5091
1997	97308616785.6644
1998	97213162778.594
1999	103459163291.843
2000	103114298949.69
2001	107334896677.725
2002	112554362982.35
2003	121265807435.466
2004	128726774226.643
2005	135029839064.467
2006	136602876669.155
2007	144488466846.969
2008	141991374665.702
2009	138713024182.199
2010	143220316464.051
2011	148853139820.91
2012	151845768417.476
2013	158410566175.16
2014	165152981090.666
2015	170458963156.476
2016	178549603531.456
2017	185082807521.123