Year	constant 2010 US$
1970	346731973.081361
1971	334074856.52697
1972	345498742.562349
1973	393460137.804916
1974	336853593.871126
1975	318637135.579745
1976	354452659.111258
1977	352908510.53571
1978	389960773.688104
1979	408483452.792467
1980	421143965.188658
1981	390886566.719624
1982	398296334.25737
1983	398296334.25737
1984	474293904.166614
1985	518510669.959493
1986	545109834.630715
1987	503656609.73004
1988	575163425.526096
1989	620259319.677406
1990	635927713.486653
1991	687388432.115969
1992	691986619.938853
1993	762063627.337381
1994	787080175.739652
1995	832469952.544079
1996	879118004.064663
1997	932594811.601798
1998	981527562.876996
1999	1040250172.34179
2000	1096880206.84951
2001	1163747209.13363
2002	1222337514.06661
2003	1251088146.97053
2004	1358903020.36023
2005	1355853710.80981
2006	1442976840.82169
2007	1512675344.83119
2008	1542950632.51032
2009	1616134061.72029
2010	1584769734.91602
2011	1616787485.19538
2012	1666883284.95221
2013	1746383141.08805
2014	1840476121.50087
2015	1707286636.49522
2016	1890664598.48725
2017	2028893537.33644
2018	2176979556.40428