Year	constant 2010 US$
1960	20934136074.3406
1961	22163331753.162
1962	24640242066.418
1963	26755646933.6426
1964	28669272346.9992
1965	30662760756.4374
1966	33263902396.9314
1967	35417502610.1082
1968	35322978774.1662
1969	36657501013.0372
1970	37646336080.4632
1971	39491672844.9964
1972	40644863643.4889
1973	43595936382.756
1974	47418557470.5659
1975	49585661088.8772
1976	50348410573.193
1977	50664004441.7667
1978	46135348171.2063
1979	45217502433.6306
1980	49695231576.2549
1981	52538277074.4454
1982	52346914533.1098
1983	49162425790.8022
1984	49659736911.3298
1985	50756985031.4076
1986	57742103601.7345
1987	63727970192.103
1988	57654138562.5722
1989	47998818079.7773
1990	47062839198.1638
1991	48702152581.5009
1992	48569433399.6068
1993	50635068573.6212
1994	55371291471.6788
1995	60565858521.1613
1996	62161961008.0678
1997	64745741127.6745
1998	63868019793.9273
1999	63406203338.3249
2000	65061334996.2482
2001	65537426480.1358
2002	68255469027.9376
2003	70106207154.5247
2004	72558811338.5384
2005	75787668412.0024
2006	80654681434.0777
2007	87093105002.242
2008	94319741618.6901
2009	98434036257.4068
2010	106604367986.974
2011	114310182579.912
2012	122951204431.313
2013	130330236619.994
2014	136373203323.503
2015	142639940740.67
2016	147751558301.469
2017	151923338864.901
2018	158316622478.759