Year	constant 2010 US$
1964	55292816.2021066
1965	116859364.123793
1966	111319779.865089
1967	94472340.8642459
1968	88726103.9937055
1969	192071684.117403
1970	338432218.765291
1971	397559742.063536
1972	246728583.866381
1973	287411810.247702
1974	321885766.762228
1975	419362723.445377
1976	463066997.82267
1977	484743382.993261
1978	500564015.46462
1979	499929414.230504
1980	553171500.376707
1981	531036942.071739
1982	476616040.842778
1983	482163396.178477
1984	421716822.402338
1985	332017918.479671
1986	409832596.773874
1987	503581180.2731
1988	503395929.861557
1989	523246098.504088
1990	513866604.040733
1991	509935672.351143
1992	503161986.79107
1993	490037866.986484
1994	552378917.694803
1995	534233134.519068
1996	561171250.83352
1997	704550866.443058
1998	749359130.82309
1999	821823802.46159
2000	875782711.181657
2001	921325024.280381
2002	1020893417.65241
2003	1120320750.76264
2004	1192296814.5077
2005	1263452126.5083
2006	1369896656.83684
2007	1538614408.71095
2008	1451280304.17368
2009	1448974778.3103
2010	1564731382.34249
2011	1661946273.24096
2012	1786276994.21714
2013	1846426433.28408
2014	2031508244.22759
2015	2098078612.06902
2016	1988159082.34225
2017	2068829860.15114
2018	2190755992.67236