Year	constant 2010 US$
1964	355131379.923035
1965	437870529.878587
1966	433571993.318717
1967	510131884.182633
1968	592376904.909118
1969	580513945.752751
1970	679816904.026742
1971	681008176.694898
1972	615267772.105811
1973	653763687.931824
1974	949131722.438479
1975	972502683.860982
1976	995087647.311386
1977	844103320.939622
1978	735098071.864505
1979	784995599.434587
1980	843692892.862869
1981	996105934.630132
1982	1302803613.18177
1983	1070994761.43561
1984	970686011.302768
1985	897103507.74835
1986	1148627012.06701
1987	1078740720.2145
1988	943348781.876208
1989	1126334740.45108
1990	1224055949.92379
1991	1165218558.04938
1992	1109209337.35937
1993	1082290491.52484
1994	1208988141.3614
1995	1194604784.5822
1996	1347824777.43427
1997	1281048146.27434
1998	1443453908.98757
1999	1511045764.07781
2000	1542877143.18096
2001	1544880516.69095
2002	1605028312.07223
2003	1676223133.475
2004	1688324890.61242
2005	1783157724.16191
2006	1856599222.83428
2007	1959118109.11804
2008	2103189170.88649
2009	2157872089.4631
2010	2227797632.42405
2011	2294178198.71172
2012	2492537132.95432
2013	2552328911.77985
2014	2633009991.46958
2015	2682775963.6615
2016	2807023946.34882
2017	2946679684.19979
2018	3109062377.0576