Year	Current U.S. Dollars
1975-01-01	976.33424476934
1976-01-01	1157.41164807939
1977-01-01	1476.27154273967
1978-01-01	1929.40360692052
1979-01-01	2559.25967546587
1980-01-01	4232.02293870659
1981-01-01	4033.24047772902
1982-01-01	4122.78449894301
1983-01-01	4091.04849762666
1984-01-01	4258.74358947914
1985-01-01	4488.28700259453
1986-01-01	5642.63147635102
1987-01-01	6690.57797489323
1988-01-01	7645.62976711711
1989-01-01	8038.91424224167
1990-01-01	9641.57527301293
1991-01-01	9696.09959332362
1992-01-01	11310.07192395210
1993-01-01	10526.14176967470
1994-01-01	11617.69277842490
1995-01-01	15098.00601653580
1996-01-01	14969.42279106690
1997-01-01	14303.53857053160
1998-01-01	15247.29328850080
1999-01-01	15457.64436408660
2000-01-01	14672.88205849400
2001-01-01	15062.92433466080
2002-01-01	16372.29151919900
2003-01-01	20293.40789139240
2004-01-01	23932.49127723290
2005-01-01	25324.48665587370
2006-01-01	27169.99255797170
2007-01-01	31386.63265065340
2008-01-01	35390.70488337630
2009-01-01	32105.81590007820
2010-01-01	30818.46395742350
2011-01-01	32233.83942465730
2012-01-01	28984.91480535030
2013-01-01	27942.31667288090
2014-01-01	27400.80298610400
2015-01-01	23212.22470183750
2016-01-01	23541.48824844760
2017-01-01	25233.57098459100