Year	Current U.S. Dollars
1987-01-01	1673.83836389995
1988-01-01	1769.88993114409
1989-01-01	1817.90210089083
1990-01-01	1680.70562287227
1991-01-01	1260.74904545125
1992-01-01	1102.10378473246
1993-01-01	1158.13251591344
1994-01-01	1323.10432504932
1995-01-01	1660.27276831580
1996-01-01	1643.88045981491
1997-01-01	1589.01406082966
1998-01-01	1864.99138698554
1999-01-01	1610.13437045980
2000-01-01	1668.16273119678
2001-01-01	1839.72945011396
2002-01-01	2124.87361335835
2003-01-01	2774.95580649052
2004-01-01	3552.92451981742
2005-01-01	4676.31518325954
2006-01-01	5828.74566230123
2007-01-01	8424.73753469503
2008-01-01	10400.54366400040
2009-01-01	8474.87200269497
2010-01-01	8231.31277057833
2011-01-01	9150.86862016023
2012-01-01	8558.39760562240
2013-01-01	9585.26659264653
2014-01-01	10020.27733229920
2015-01-01	8978.38925434643
2016-01-01	9532.16717438481
2017-01-01	10813.71660019860