Year	Current U.S. Dollars
1993-01-01	1191.69391083724
1994-01-01	1196.31540660781
1995-01-01	1335.91984271613
1996-01-01	1519.35282703456
1997-01-01	1528.50252301509
1998-01-01	1520.54700436751
1999-01-01	1578.09966745963
2000-01-01	1605.88138742338
2001-01-01	1634.01973644545
2002-01-01	1558.75896844615
2003-01-01	1728.32042911394
2004-01-01	1968.01402983516
2005-01-01	2277.98670302744
2006-01-01	2599.90141439369
2007-01-01	3156.32827528912
2008-01-01	3818.38402388057
2009-01-01	3629.56969891424
2010-01-01	4122.74486759566
2011-01-01	4588.71035222723
2012-01-01	4963.47908773346
2013-01-01	4577.03231145840
2014-01-01	4424.00572275748
2015-01-01	3905.95829078681
2016-01-01	3865.68105525676
2017-01-01	3768.73183629710