Year	2010 U.S. Dollars
1960-01-01	1273.484095797150
1961-01-01	1276.445370545100
1962-01-01	1265.432693661030
1963-01-01	1265.656947322260
1964-01-01	1301.020579375400
1965-01-01	1332.237915590860
1966-01-01	1401.476686989690
1967-01-01	1460.577020291300
1968-01-01	1493.238366193680
1969-01-01	1562.450081460290
1970-01-01	1624.331879738520
1971-01-01	1659.862756689630
1972-01-01	1682.863087621630
1973-01-01	1600.414274601790
1974-01-01	1630.061365390820
1975-01-01	1528.919762685490
1976-01-01	1564.587961449230
1977-01-01	1544.915100321210
1978-01-01	1572.909299842430
1979-01-01	1574.806311250030
1980-01-01	1461.131179066940
1981-01-01	1379.402619801750
1982-01-01	1296.566041264790
1983-01-01	1228.989954754470
1984-01-01	1171.787655474770
1985-01-01	1144.171042372430
1986-01-01	1120.224674300470
1987-01-01	1114.476066839950
1988-01-01	1104.795991909130
1989-01-01	822.921638373248
1990-01-01	409.566918129436
1991-01-01	357.608220906323
1992-01-01	236.446997830677
1993-01-01	160.258822047815
1994-01-01	124.595577062950
1995-01-01	115.794135586347
1996-01-01	122.856110468139
1997-01-01	235.451340671043
1998-01-01	283.431706361217
1999-01-01	321.904554323715
2000-01-01	392.490207474937
2001-01-01	389.548437855619
2002-01-01	394.739885375532
2003-01-01	271.022142025795
2004-01-01	272.855156742636
2005-01-01	279.796234287132
2006-01-01	292.037742262349
2007-01-01	307.399618595160
2008-01-01	315.876086306823
2009-01-01	319.655736409264
2010-01-01	327.420509735634
2011-01-01	343.646400315538
2012-01-01	361.232507392421
2013-01-01	383.079439650093
2014-01-01	376.588857333968
2015-01-01	367.475978462181
2016-01-01	352.646078449267
2017-01-01	352.285953096392