Year	constant 2010 US$
1960	30690424008.5526
1961	31777335531.8278
1962	31644587014.6155
1963	37076249121.7098
1964	44312008803.1424
1965	63028631321.1367
1966	68060256677.0337
1967	70900637191.915
1968	82244173483.9493
1969	75765035962.6781
1970	80254616534.605
1971	77695418311.7709
1972	86591378065.1555
1973	98954612056.8127
1974	115961747375.689
1975	118628722991.915
1976	118952329763.579
1977	112117320905.948
1978	127864490444.708
1979	147832826802.397
1980	166675198325.232
1981	192020235587.809
1982	145050911386.683
1983	105378925920.693
1984	111104213319.661
1985	123395732609.652
1986	100096421539.99
1987	105643222761.053
1988	118319173818.84
1989	123581083640.554
1990	137300492353.788
1991	147652690674.711
1992	168497816793.616
1993	164118040584.086
1994	187825384384.037
1995	129106028935.219
1996	149449057434.416
1997	170510901285.685
1998	188046437288.201
1999	193494419471.431
2000	212267112150.888
2001	186031592926.105
2002	184884202271.044
2003	188185926126.246
2004	197721999706.631
2005	213268212100.974
2006	231946478735.49
2007	243654814503.656
2008	256193468877.936
2009	225783186048.755
2010	241105654083.571
2011	256675179749.766
2012	270382342641.114
2013	264670144943.139
2014	269288809719.675
2015	280914265766.168
2016	284664454383.352
2017	279935304829.208
2018	282530398977.459