Year	constant 2010 US$
1970	2808230850.68248
1971	2955583322.763
1972	2953307607.88639
1973	2841228699.84834
1974	3125503289.67324
1975	3169121130.56666
1976	3217480055.14959
1977	3144088283.46891
1978	3116400430.16683
1979	2909879404.38439
1980	3148450059.28581
1981	3393847875.36192
1982	3357246799.94485
1983	3250857179.0983
1984	3592783190.40397
1985	3257684323.72811
1986	3030681880.60113
1987	3173482922.92844
1988	3202687908.45167
1989	3322352527.23011
1990	3481083573.69364
1991	3838180989.9352
1992	3638676746.174
1993	4180865567.35144
1994	4298633762.581
1995	4587649419.55053
1996	4569633337.92913
1997	4506482283.19316
1998	4588407985.66111
1999	4588597623.05253
2000	4470260499.10382
2001	4361784817.31697
2002	4739363667.44795
2003	4652317606.50765
2004	5179714297.53205
2005	5296344618.77843
2006	5497366011.30566
2007	5889357716.80684
2008	6141203369.64015
2009	6229007996.69102
2010	6725492899.48986
2011	6980372849.85523
2012	7330074209.2927
2013	7032145330.20819
2014	7515924163.79429
2015	7101744254.79112
2016	6706718268.30277
2017	6829986096.78753
2018	6884982512.06397