Year	Current U.S. Dollars
1980-01-01	496.226764170126
1981-01-01	478.282434961835
1982-01-01	473.050300536181
1983-01-01	456.462907646134
1984-01-01	426.697948051916
1985-01-01	437.136485064101
1986-01-01	595.444505172076
1987-01-01	724.094307482961
1988-01-01	801.733062007727
1989-01-01	797.915512399660
1990-01-01	897.649509516526
1991-01-01	913.963943466124
1992-01-01	994.628046805573
1993-01-01	1328.993993947570
1994-01-01	1072.330788199410
1995-01-01	1251.902318608340
1996-01-01	1258.809070008960
1997-01-01	1201.956655662340
1998-01-01	1250.615375919530
1999-01-01	1389.719795580140
2000-01-01	1239.377854657230
2001-01-01	1268.884564218160
2002-01-01	1373.515636223150
2003-01-01	1768.921301625820
2004-01-01	1976.458506020990
2005-01-01	2048.134590388530
2006-01-01	2304.289902013600
2007-01-01	3112.285601091990
2008-01-01	3638.905946396450
2009-01-01	3444.556599846840
2010-01-01	3312.825984809010
2011-01-01	3670.429452596920
2012-01-01	3408.482762384210
2013-01-01	3558.796313440240
2014-01-01	3529.618403193260
2015-01-01	2995.150552679690
2016-01-01	3037.525642414370
2017-01-01	3209.691119996660