Year	constant 2010 US$
1982	205.913407298626
1983	257.602878073429
1984	283.360677222022
1985	272.85283195764
1986	250.438485724114
1987	262.403300633229
1988	276.0156854818
1989	266.970009554691
1990	245.410276339716
1991	225.734025361818
1992	203.771140367373
1993	249.956754839516
1994	269.235612514023
1995	308.873454496859
1996	318.240397366494
1997	340.500460167739
1998	333.157523977987
1999	364.994218982616
2000	346.121542101657
2001	338.659501515922
2002	344.445174886139
2003	320.460838739523
2004	361.228445052864
2005	375.37433173063
2006	406.399910465836
2007	415.270830856776
2008	421.485032176461
2009	462.553701704653
2010	487.942916076663
2011	495.052389961535
2012	486.248547162186
2013	490.687455355069
2014	489.698016791579
2015	499.152762502811
2016	469.106400007177
2017	462.52500457482