Year	constant 2010 US$
1975	1336770661.68156
1976	1966338572.85342
1977	2826308075.40089
1978	2978148590.62929
1979	3494097281.00092
1980	3612512001.47195
1981	3143553878.71874
1982	3212771465.18479
1983	3287827733.48493
1984	4061446563.09012
1985	3986392811.33555
1986	3410505186.12205
1987	3709572204.25476
1988	4397827586.94956
1989	5384623585.65238
1990	4986227180.77473
1991	4461519571.15471
1992	5952771693.06843
1993	4209516542.90824
1994	4538675827.24034
1995	4124322158.60398
1996	3775329539.91066
1997	3833832723.96958
1998	3218112208.38279
1999	3568866412.64999
2000	3874494887.21633
2001	3561277025.17756
2002	4114454630.38938
2003	4142043974.37732
2004	4833539159.64966
2005	5025419537.15962
2006	5706305473.97572
2007	5959033401.30834
2008	7221229332.50112
2009	5719418028.24747
2010	6091827814.56954
2011	4998386483.35291
2012	4255633131.38191
2013	3086152230.39344
2014	2834510393.41464
2015	3346933120.34952
2016	4079275898.92901
2017	5377074401.72023
2018	5360663841.37407