Year	current US$
1960	1882890907.3913364
1961	1919946266.556531
1962	2119345209.1111567
1963	2146780774.8472803
1964	2376804597.7011495
1965	2356866666.666667
1966	2393422222.2222223
1967	2485888888.8888893
1968	3257888888.8888893
1969	3494422222.2222223
1970	4225577777.777778
1971	4706477272.727272
1972	5278295454.545454
1973	6031162790.697675
1974	7583976744.186047
1975	10262000000
1976	13075046511.627907
1977	18206046511.627907
1978	20388953488.372093
1979	18476093023.255814
1980	17688441860.465115
1981	18408581395.34884
1982	21199116279.069767
1983	9586860465.11628
1984	10139757719.71496
1985	11093840000
1986	12260746391.752583
1987	11420055172.413792
1988	16293331034.482758
1989	5350786452.077824
1990	4807086547.005506
1991	9661434227.892653
1992	13868496222.343987
1993	10893864416.06864
1994	8002727946.127947
1995	13565289477.148762
1996	11300903666.42703
1997	23753453168.86386
1998	28004219272.97739
1999	25979241404.927982
2000	28314760037.11792
2001	33830239869.33903
2002	19655250236.885174
2003	12724920882.133068
2004	24512678534.094337
2005	33473972006.22084
2006	49395658593.38612
2007	69892529576.15277
2008	84758053716.31073
2009	85075136622.21393
2010	86390879316.34508
2011	73020027743.45465
2012	101409726295.66595
2013	101169283790.92741
2014	119674325292.00217