Year	2010 U.S. Dollars
1977-01-01	2519.28395697915
1978-01-01	2784.34825583064
1979-01-01	2250.09866865370
1980-01-01	2557.69893444214
1981-01-01	2864.46065380065
1982-01-01	2991.02434065007
1983-01-01	3088.91570058991
1984-01-01	3279.96482094202
1985-01-01	3347.81113921969
1986-01-01	3615.09772515738
1987-01-01	3922.08505881231
1988-01-01	4295.04782768555
1989-01-01	4314.67449822155
1990-01-01	4561.63979865643
1991-01-01	4594.81320515494
1992-01-01	4680.42865673497
1993-01-01	4743.06437134149
1994-01-01	4799.96590717670
1995-01-01	4895.09467489825
1996-01-01	5040.16119334617
1997-01-01	5143.64163627108
1998-01-01	5435.26438369486
1999-01-01	5502.69981739219
2000-01-01	5541.34678414006
2001-01-01	5568.04254399527
2002-01-01	5458.36056278119
2003-01-01	5855.39819177131
2004-01-01	6021.13906507855
2005-01-01	5994.70186791627
2006-01-01	6154.64217573123
2007-01-01	6530.48865073861
2008-01-01	6983.30310619359
2009-01-01	6886.59695145549
2010-01-01	6912.43571398947
2011-01-01	6869.73447491738
2012-01-01	6765.23539122661
2013-01-01	6691.06428011007
2014-01-01	6951.03239790411
2015-01-01	6738.66124472604
2016-01-01	6880.62579537622
2017-01-01	6556.65177977887