Year	constant 2010 US$
1964	4860593667.5617
1965	4979440825.44942
1966	5692227734.55099
1967	5872745670.09078
1968	6362454693.35865
1969	6956637456.1737
1970	6655739868.85041
1971	8136661425.34646
1972	9508588304.56059
1973	9823213834.05859
1974	10297918497.9285
1975	10460951715.2168
1976	10544593567.341
1977	11580622065.9741
1978	12399828488.0625
1979	13341294641.3079
1980	14191053685.3673
1981	14737669245.4053
1982	14868722096.2698
1983	15165781566.2439
1984	15405891552.7172
1985	16075113164.3691
1986	17221854746.9686
1987	18222932502.6761
1988	19292176139.5758
1989	20388086095.3808
1990	20996557007.4619
1991	21204946320.714
1992	21074969225.345
1993	20699455391.1093
1994	21450964541.3963
1995	22757235655.5603
1996	24093844127.5373
1997	24333935791.7802
1998	25229329500.3118
1999	25706586378.7579
2000	25942846016.8015
2001	26900050743.2339
2002	27098911938.3799
2003	27844158170.2301
2004	29332821887.9948
2005	31310709864.9228
2006	33259194318.2303
2007	35477354906.8333
2008	35684136827.8463
2009	36851389510.3517
2010	39852460837.1238
2011	42448620587.761
2012	44182114584.8388
2013	46484664914.2773
2014	48826808747.847
2015	51783418729.5817
2016	55102074917.5502
2017	57609551704.764
2018	61271293560.751