Year	constant 2010 US$
1966	6748310936.41943
1967	6870363487.39196
1968	7265006249.8015
1969	7670006654.91424
1970	8595347631.08298
1971	8806627589.28733
1972	10392573988.0592
1973	9822488397.13846
1974	9407069695.69226
1975	9382978918.59905
1976	8754859312.56382
1977	8527447578.51027
1978	8522868312.31612
1979	8432522386.78619
1980	7950674629.15677
1981	8160528551.17244
1982	8329388788.64095
1983	8488403351.05529
1984	8357482818.50905
1985	8111468981.09174
1986	8264174537.79611
1987	8912941562.52792
1988	9267168778.67916
1989	9931930999.39962
1990	10349125248.5975
1991	10849840636.9969
1992	11062013882.1015
1993	12103735075.3645
1994	12271176912.1473
1995	12559544298.0666
1996	12545260176.8537
1997	12402186518.6542
1998	12112650833.8266
1999	12239551911.6664
2000	12347101288.5689
2001	12513161104.0918
2002	12763085337.6409
2003	13231020580.7576
2004	13406162921.142
2005	13525986928.6205
2006	13918122244.4502
2007	14117423357.7557
2008	14002827050.8032
2009	13395573425.3542
2010	13200286270.4683
2011	13428092060.2385
2012	13345520232.4441
2013	13412757292.2195
2014	13505052829.4645
2015	13627252758.3973
2016	13815398566.0144
2017	13950590008.3936
2018	14209550470.9176