Year	constant 2010 US$
1970	701339470.53379
1971	711076885.070165
1972	757819927.100928
1973	750720235.922528
1974	824600095.864286
1975	806765817.880214
1976	796088338.604119
1977	845304881.064125
1978	827081536.945971
1979	888086717.722053
1980	985029884.525294
1981	1162050405.97734
1982	1112777366.01909
1983	1039617308.97149
1984	1060586637.29809
1985	1123494889.98785
1986	1213430497.71585
1987	1236263808.28877
1988	1197586861.7655
1989	1047946840.68507
1990	1198530595.15658
1991	1214904370.8282
1992	1249412245.19466
1993	1313197185.95915
1994	1315555217.41307
1995	1406900099.29856
1996	1438752408.39398
1997	1527525031.14532
1998	1591904643.10165
1999	1685771136.59854
2000	1839893692.61997
2001	1929872757.11803
2002	1959271857.39958
2003	2087558840.44632
2004	2177983345.85773
2005	2251481096.56159
2006	2312506501.69146
2007	2598034127.15313
2008	2949932448.70494
2009	3000712712.82761
2010	3113409263.90686
2011	3340138688.80544
2012	3517869613.23478
2013	3747494404.07017
2014	3997609476.91997
2015	4176676724.08938
2016	4346402496.23251
2017	4493747102.37909
2018	4797486219.88981