Year	constant 2010 US$
1960	2246738286.93999
1961	2425502762.65582
1962	2694989410.75393
1963	2909772309.92235
1964	3173997563.74138
1965	3481789129.06755
1966	3573568497.49654
1967	3965271925.78767
1968	3938227375.75501
1969	4011198488.93403
1970	4073130508.50881
1971	4158738802.33944
1972	4252804664.54393
1973	4470119917.03358
1974	4815331305.22312
1975	5119779180.72707
1976	5387298952.45917
1977	5796679682.08982
1978	5614669860.37006
1979	4331356789.4115
1980	5229186678.58645
1981	4767757483.12023
1982	4495271348.56396
1983	4813757804.13032
1984	4980106372.78571
1985	4902734373.73775
1986	4780468421.63557
1987	4832688989.15317
1988	4856842230.92779
1989	4348330404.71574
1990	4279383137.99554
1991	4648754207.97508
1992	4770918721.87557
1993	4627095682.07676
1994	4688918763.63294
1995	4889560137.14567
1996	5074220143.64695
1997	5298370798.82415
1998	5571446487.17264
1999	5821677511.9628
2000	6125098436.11253
2001	6377346361.60601
2002	6608178307.62145
2003	6747244010.99107
2004	6892224701.71165
2005	7138905860.82183
2006	7333076544.6224
2007	7619098426.24484
2008	7916098678.68959
2009	8051534119.33701
2010	8284777350.11519
2011	8514357541.80067
2012	8861321314.78355
2013	9221890733.68769
2014	9637395925.88908
2015	10148188495.6717
2016	10769119732.8496
2017	11357504154.2701
2018	10851909217.0524