Year	constant 2010 US$
1976	2194721443.39291
1977	2311725121.68596
1978	2390985018.90684
1979	2461138866.27808
1980	2200947445.39954
1981	2292235337.38446
1982	2413169985.51043
1983	2429118778.75441
1984	2529196477.27017
1985	2708520046.22211
1986	2981196546.13644
1987	3290082374.27575
1988	3519448402.13253
1989	3720006273.66461
1990	3990038351.16292
1991	4209385210.52797
1992	4489724787.40556
1993	4707144371.61106
1994	4864456096.18024
1995	5083308342.35744
1996	5339446756.68426
1997	5675519904.98183
1998	6007183741.37205
1999	6179490100.92935
2000	6688343550.50741
2001	6955888381.95309
2002	7067248912.02262
2003	7428584828.98302
2004	7772765928.77081
2005	7918200667.29975
2006	8371467419.71604
2007	9022994971.5373
2008	9408509710.38124
2009	9618399078.96684
2010	9912845467.18468
2011	10220637903.0906
2012	11096216559.1916
2013	11860355788.9335
2014	12300365153.0276
2015	12802800422.7087
2016	13259189642.3229
2017	13952553474.9683
2018	14442193313.8174