Year	constant 2010 US$
1960	6085216946.63033
1961	6336225652.43608
1962	6568498514.67473
1963	7189312153.93681
1964	7504957415.91656
1965	7871070356.63908
1966	8279423751.66313
1967	8604466093.5225
1968	9295466991.28598
1969	9720909756.02855
1970	10281594179.3982
1971	10847706433.9786
1972	11639072097.6081
1973	12479926609.5893
1974	13323891491.2343
1975	13538889663.0369
1976	14661365731.8408
1977	15890506348.6007
1978	16721143418.1437
1979	17570086572.6479
1980	18118584666.2918
1981	18155573094.3962
1982	17457413661.0991
1983	17019045251.4596
1984	16938425433.0696
1985	16912728736.3243
1986	16704733068.0485
1987	17400755628.8764
1988	18126267281.2843
1989	18864062466.3654
1990	19368920482.6078
1991	20376400787.9866
1992	21311772385.8997
1993	22215927721.2716
1994	23119088063.2177
1995	24239887091.1409
1996	24860932202.2631
1997	25974632429.8714
1998	27381892408.4556
1999	28386273503.5724
2000	29423990917.0918
2001	30311614924.3356
2002	31142623734.8448
2003	31961281747.9642
2004	32886891857.0247
2005	33940132310.0077
2006	35603636185.0058
2007	37766655174.542
2008	39138356244.8371
2009	39162013469.7869
2010	40240221637.6882
2011	41703171477.8914
2012	43347927557.9873
2013	45062003311.3402
2014	46735038145.2157
2015	48740937989.3514
2016	50232076885.8046
2017	51835157371.2614
2018	53541795585.0025