Year	constant 2010 US$
1971	792.70385116039
1972	775.534081611686
1973	719.954487639476
1974	779.18737023983
1975	839.278303800094
1976	757.982463066817
1977	777.345062233484
1978	1091.13817511862
1979	1057.75873052725
1980	892.93495728614
1981	1145.28317044782
1982	1439.35695299539
1983	1396.28193960657
1984	1406.75688538039
1985	1444.3771929022
1986	1725.85678197055
1987	1506.84519672258
1988	1290.57891187757
1989	1034.46065788218
1990	958.047171781596
1991	961.422788487714
1992	793.012774303811
1993	847.365616954802
1994	851.663383265657
1995	826.882169225811
1996	813.402139241286
1997	850.049048111241
1998	897.873664652265
1999	909.511504709685
2000	887.191598972046
2001	925.881750994768
2002	957.658714402944
2003	980.139597708161
2004	1043.87040461848
2005	1016.72730438757
2006	1023.38807576241
2007	1024.02028667592
2008	1017.74249051671
2009	1076.08960089206
2010	1059.83963564738
2011	1072.71136707708
2012	1082.47615629771
2013	1119.44566238766
2014	1183.70202378706
2015	1212.96426164716
2016	1238.34672700964
2017	1242.87733381382