Year	2010 U.S. Dollars
1960-01-01	621.789569116001
1961-01-01	608.782292188234
1962-01-01	636.112014794001
1963-01-01	641.228546693531
1964-01-01	647.849944725503
1965-01-01	658.622046799089
1966-01-01	659.883158602241
1967-01-01	657.868059634477
1968-01-01	660.285895612006
1969-01-01	673.250765869095
1970-01-01	684.380359415867
1971-01-01	694.646611726155
1972-01-01	688.347223875488
1973-01-01	690.150581505928
1974-01-01	710.311806175630
1975-01-01	706.338735670132
1976-01-01	714.952607812036
1977-01-01	722.526773502779
1978-01-01	720.386991930762
1979-01-01	701.959244899588
1980-01-01	681.773486778408
1981-01-01	690.686086064755
1982-01-01	681.403944846952
1983-01-01	668.178813110112
1984-01-01	659.028008580516
1985-01-01	652.270055444128
1986-01-01	654.319188989737
1987-01-01	657.726501102993
1988-01-01	647.094139397177
1989-01-01	641.715754884830
1990-01-01	616.350703620318
1991-01-01	603.294996868994
1992-01-01	581.380011531260
1993-01-01	567.757962725852
1994-01-01	552.643492949697
1995-01-01	562.163659590436
1996-01-01	576.121455172093
1997-01-01	584.886908970716
1998-01-01	589.330171402044
1999-01-01	590.705370594653
2000-01-01	590.448108449938
2001-01-01	598.572686465501
2002-01-01	602.325250986023
2003-01-01	612.002776425690
2004-01-01	627.789809562432
2005-01-01	647.631588634644
2006-01-01	667.805306950716
2007-01-01	692.758832213253
2008-01-01	714.235225352566
2009-01-01	724.201928686728
2010-01-01	744.275554274220
2011-01-01	757.983550314285
2012-01-01	779.743862717443
2013-01-01	801.975338142759
2014-01-01	823.701960818913
2015-01-01	842.033809598539
2016-01-01	856.323438139461
2017-01-01	877.150435560175