Year	constant 2010 US$
1961	2772897794.79582
1962	3737558525.45786
1963	5039758288.07239
1964	5618489627.33133
1965	6269589508.6386
1966	5449557363.5094
1967	4509200311.13646
1968	4099292737.13565
1969	4268008003.83
1970	4871043021.37803
1971	6028397201.33214
1972	6583041859.42958
1973	7354575146.54438
1974	7233924743.60926
1975	7378553329.1421
1976	8391278923.56336
1977	10561575695.0663
1978	11646669831.5359
1979	13382863849.3127
1980	16087950041.7394
1981	17576550336.9462
1982	17911810899.0591
1983	16451094734.7465
1984	16896481339.1068
1985	16913515613.622
1986	17952497860.4805
1987	20496355187.1144
1988	22164412106.8308
1989	23037500049.6536
1990	24922228601.2597
1991	27271439504.4533
1992	29716346140.9102
1993	30590953063.6261
1994	35170785939.7902
1995	37735474990.6719
1996	41762182188.6317
1997	47476801543.4814
1998	43966656007.7286
1999	36783834087.6647
2000	39681179735.1284
2001	40773651773.9357
2002	39187185774.1899
2003	39780781416.6881
2004	41115964742.695
2005	42770242344.8099
2006	45793337827.7068
2007	47241034164.3645
2008	47897558973.8613
2009	46236771457.9189
2010	49793028883.2827
2011	54886710957.559
2012	58612117643.8723
2013	60114931250.9356
2014	60046577155.7476
2015	58136134444.523
2016	58070167317.7384
2017	59781949158.6623
2018	61108127103.8746