Year	Current U.S. Dollars
1960-01-01	140.180257613715
1961-01-01	140.749664072835
1962-01-01	145.035841875451
1963-01-01	145.323931620799
1964-01-01	152.696905371359
1965-01-01	145.304139438359
1966-01-01	149.435675854858
1967-01-01	136.593437161037
1968-01-01	127.036954912807
1969-01-01	154.654100599130
1970-01-01	161.355342767598
1971-01-01	152.797958275989
1972-01-01	166.027807036219
1973-01-01	200.866850780416
1974-01-01	221.553452655977
1975-01-01	226.908496249494
1976-01-01	194.222728741075
1977-01-01	220.676840115834
1978-01-01	299.361049230440
1979-01-01	337.588038290956
1980-01-01	327.055457196499
1981-01-01	323.582246628607
1982-01-01	367.436958461777
1983-01-01	275.747566220854
1984-01-01	293.953659267479
1985-01-01	225.524206452299
1986-01-01	125.287980697562
1987-01-01	173.820399171488
1988-01-01	254.054420960296
1989-01-01	219.550873642805
1990-01-01	150.651151812871
1991-01-01	179.833635850247
1992-01-01	156.995122423568
1993-01-01	178.490588835779
1994-01-01	212.884372983390
1995-01-01	203.694879106409
1996-01-01	219.912466918840
1997-01-01	197.474606893350
1998-01-01	154.439733351574
1999-01-01	150.836972455206
2000-01-01	139.314773381037
2001-01-01	230.097887303924
2002-01-01	252.831532767271
2003-01-01	266.525052883084
2004-01-01	266.290045837442
2005-01-01	291.690317492564
2006-01-01	322.313468010430
2007-01-01	358.827471621999
2008-01-01	406.375917791099
2009-01-01	388.874602138820
2010-01-01	399.154367609619
2011-01-01	445.052005000631
2012-01-01	561.898423858076
2013-01-01	710.818699843650
2014-01-01	708.439475707436
2015-01-01	582.936203085803
2016-01-01	480.793021078601
2017-01-01	499.426295360288