Year	Current U.S. Dollars
1990-01-01	2240.13921351075
1991-01-01	2355.26021544110
1992-01-01	1164.91492132438
1993-01-01	1285.36242588484
1994-01-01	1706.24468341229
1995-01-01	2243.47452893364
1996-01-01	2222.81312786738
1997-01-01	1868.03061142273
1998-01-01	1774.82203663420
1999-01-01	1814.51252257238
2000-01-01	1854.14595610107
2001-01-01	1815.92009071121
2002-01-01	1961.20373553606
2003-01-01	2408.80011005532
2004-01-01	2762.56170134970
2005-01-01	3037.75458474720
2006-01-01	3325.61324190164
2007-01-01	4036.14023722037
2008-01-01	4793.29295892064
2009-01-01	4543.89024355919
2010-01-01	4542.90410449183
2011-01-01	5064.04110600499
2012-01-01	4698.68947598350
2013-01-01	5211.49920049925
2014-01-01	5469.21789842179
2015-01-01	4834.13672297387
2016-01-01	5163.25025319412
2017-01-01	5442.60994435418