Year	constant 2010 US$
1960	56939730.2202203
1961	58342191.0506223
1962	60445882.2962252
1963	62549553.1447714
1964	64828577.4904956
1965	60224839.3918495
1966	71014127.7398514
1967	78328879.4498647
1968	92044044.0054038
1969	93019349.6726208
1970	91434477.9633933
1971	115085538.40812
1972	145319871.312446
1973	190610414.064736
1974	209263073.759089
1975	198668006.185791
1976	205108152.497933
1977	208456084.604459
1978	201550946.588796
1979	196087288.973164
1980	186810687.150429
1981	179696316.126268
1982	169954722.600012
1983	147100350.796239
1984	134568807.048859
1985	140567193.905159
1986	143054900.538847
1987	183300006.927818
1988	219197419.47196
1989	213013011.457785
1990	219429905.125192
1991	225428312.378549
1992	227799776.185621
1993	222212838.758782
1994	215413316.703151
1995	261612650.320482
1996	253168268.811619
1997	235606402.919997
1998	223776109.984875
1999	243030931.589626
2000	209457376.12202
2001	232893594.367633
2002	185184878.548234
2003	222453340.455331
2004	223504421.188503
2005	217909936.850654
2006	246952245.359426
2007	277167119.471581
2008	282637997.645315
2009	300648761.962653
2010	318136790.508714
2011	318693691.350107
2012	291502844.082737
2013	295390176.355935
2014	294349926.459915
2015	295288191.072011
2016	297021940.89871
2017	303426616.729104
2018	312176954.089738