Year	constant 2010 US$
1960	696.273216032489
1961	692.4500436222
1962	715.338718513503
1963	690.114530306715
1964	659.740656942108
1965	651.092851723141
1966	627.458216710049
1967	620.742241436934
1968	606.508391721157
1969	635.702863067704
1970	634.159483833163
1971	606.166727417757
1972	598.821070187104
1973	535.630248387092
1974	549.271907634403
1975	585.781168333434
1976	591.016882536194
1977	592.564258129908
1978	578.625232027835
1979	445.778881910871
1980	410.313701045961
1981	405.747249082264
1982	417.900157280193
1983	472.00116811317
1984	469.50407763149
1985	556.352859959833
1986	518.198110914795
1987	490.347737238548
1988	548.356282705794
1989	556.784449719399
1990	516.580237387589
1991	543.020947902277
1992	568.049097125031
1993	463.697069026862
1994	494.348730460371
1995	484.106478402576
1996	478.391970671267
1997	488.427663928047
1998	504.460584025692
1999	483.379895294767
2000	461.803723901247
2001	496.484904956589
2002	518.266565663046
2003	572.067388219352
2004	736.113214084584
2005	832.745038339599
2006	809.249884856371
2007	807.843894295024
2008	805.292338516776
2009	811.91924548679
2010	891.698817391114
2011	862.919427854356
2012	908.426122386938
2013	928.563189497965
2014	960.440919994578
2015	955.727325440693
2016	868.211695358308
2017	816.737363324789
2018	813.342478774863