Year	constant 2010 US$
1960	4418797571.86171
1961	4491452638.52536
1962	4651546622.28905
1963	4806032419.18079
1964	4971600382.26264
1965	5261596885.20424
1966	5581777978.40277
1967	4922939366.99733
1968	5338283838.08123
1969	5428549121.10608
1970	5754877312.41986
1971	6384014044.22191
1972	6497784677.81107
1973	6634268621.01905
1974	6991047091.39509
1975	8017708302.16281
1976	7572464835.16306
1977	9104772667.4518
1978	10998948956.6763
1979	11408556758.9176
1980	10781393585.4455
1981	13676932298.8406
1982	14572058348.2811
1983	15101623738.5638
1984	15720673542.2709
1985	17009437140.0437
1986	19419931426.1017
1987	19069815063.0238
1988	15879198970.4366
1989	13565318507.485
1990	13618436164.6865
1991	13357874553.8582
1992	11734119570.8124
1993	12674194643.8942
1994	13192446170.8071
1995	13162038091.6393
1996	13932026366.7402
1997	15041368475.9034
1998	15570347623.6169
1999	16381947986.1712
2000	17545255430.354
2001	18804657887.3934
2002	19811167500.8384
2003	20441522489.2656
2004	21672979921.0989
2005	22276498436.5299
2006	22928777430.8894
2007	24018971409.8766
2008	25837985264.372
2009	26475001443.4088
2010	27393379866.2163
2011	28908931736.5989
2012	30067756478.0767
2013	31942671650.0534
2014	34092969762.8678
2015	35408575439.927
2016	36851124823.0803
2017	38150184008.5631
2018	40535304370.0532