Year	constant 2010 US$
1960	4604485766.28355
1961	6614261312.48331
1962	6014328313.61295
1963	4589487441.30822
1964	5219417090.11825
1965	5429393639.71792
1966	6104318263.44296
1967	4979443890.5789
1968	6089319938.47862
1969	7829125635.17737
1970	10408837530.2968
1971	12598592976.1566
1972	14998324971.616
1973	17548040216.7848
1974	20918193635.9073
1975	23971668845.8074
1976	25409794658.281
1977	29452526108.882
1978	33888926342.499
1979	35386610900.7367
1980	42068811645.5351
1981	46753615428.5737
1982	52828607497.0046
1983	56961403392.4324
1984	53533987598.545
1985	57394146089.9889
1986	62678054389.6186
1987	66116296065.7332
1988	73735669011.6741
1989	83587807018.4949
1990	95769557843.3979
1991	102018432618.036
1992	107057149314.852
1993	113148609910.135
1994	128713001356.107
1995	146726215456.165
1996	168022630073.629
1997	182418814177.868
1998	122205741797.137
1999	99969852433.2388
2000	116702059555.533
2001	124278904007.887
2002	130113093271.913
2003	130894170481.467
2004	150113754484.541
2005	166456861816.367
2006	170779547330.203
2007	186702827275.417
2008	208894563911.975
2009	215774320908.058
2010	234074725788.925
2011	254812837590.242
2012	278064720026.537
2013	291996536259.818
2014	304987746527.567
2015	320265919871.209
2016	334591825958.767
2017	355182519988.648
2018	378872855272.086