Year	constant 2010 US$
1961	10710218236.8957
1962	12240853709.6698
1963	14170417560.3394
1964	15393016982.7536
1965	17646886393.4852
1966	17963599515.6862
1967	18251678300.8115
1968	18871763547.2577
1969	21012505633.8607
1970	22947058800.839
1971	24620540568.7975
1972	27233206900.1595
1973	30577350387.7282
1974	31315877664.8058
1975	31470004153.3837
1976	36556937520.2419
1977	40843519473.1545
1978	44217490395.177
1979	49327526465.8122
1980	54313697335.9153
1981	59343578955.4181
1982	61094069735.9666
1983	64745706956.905
1984	71203292284.4665
1985	71742355372.5963
1986	79674283669.3625
1987	90349468228.6997
1988	98039631611.2927
1989	100271916805.82
1990	104112931119.691
1991	110049458283.193
1992	116911069768.356
1993	124160871755.012
1994	131655258704.19
1995	134780414591.168
1996	140519972223.877
1997	147686040467.266
1998	138998230749.74
1999	142482400484.145
2000	153401519225.616
2001	154261850898.663
2002	156817357019.272
2003	161610137650.716
2004	175670356398.673
2005	188649195068.43
2006	201916112523.313
2007	214969574010.903
2008	219543909358.747
2009	214145035259.201
2010	228637697575.04
2011	239645864766.28
2012	243720509239.473
2013	251279540373.867
2014	258220872456.572
2015	264386691243.475
2016	270140782971.518
2017	280509883821.659
2018	288985213742.476