Year	constant 2010 US$
1976	1051356621.44626
1977	1148335152.47047
1978	1195680101.13623
1979	1247087422.23625
1980	1221913435.57214
1981	1260988402.03404
1982	1294954808.20605
1983	1355642426.1475
1984	1405227304.66365
1985	1441813819.96258
1986	1499868831.3649
1987	1640978284.75744
1988	1763293605.9367
1989	1880440541.54134
1990	1994436094.71528
1991	2095370589.84345
1992	2237096168.01007
1993	2398878383.59289
1994	2554575241.46105
1995	2689538990.47533
1996	2857016415.57555
1997	3035823532.79321
1998	3229364597.22904
1999	3401058730.74807
2000	3718495024.09868
2001	3840259181.54022
2002	4021348385.17556
2003	4343477090.6169
2004	4566742831.87965
2005	4833918542.5666
2006	5142152586.77205
2007	5466261375.29581
2008	5770926913.81918
2009	5955112136.08882
2010	6288314860.77364
2011	6625478161.50046
2012	6946751015.64495
2013	7254978167.17865
2014	7617058725.80385
2015	7971927662.82471
2016	8344874312.80601
2017	8685601603.23474
2018	9046825783.94585