Year	Current U.S. Dollars
1977-01-01	774.169306635916
1978-01-01	891.293641694005
1979-01-01	1065.745237799500
1980-01-01	1240.317881850760
1981-01-01	1404.502700185010
1982-01-01	1508.443807972590
1983-01-01	1606.882518904760
1984-01-01	1748.746891957360
1985-01-01	1908.533659353480
1986-01-01	2252.308791426180
1987-01-01	2442.106527059130
1988-01-01	2744.947624265990
1989-01-01	3056.269029849530
1990-01-01	3502.279051566670
1991-01-01	3665.585619938840
1992-01-01	3994.326218203410
1993-01-01	4004.251768781980
1994-01-01	4130.932579980620
1995-01-01	4355.495644034990
1996-01-01	4444.150393178610
1997-01-01	4480.558051068290
1998-01-01	4814.861125920320
1999-01-01	5000.482126882380
2000-01-01	4996.267760251440
2001-01-01	4693.861545956930
2002-01-01	4684.104617000970
2003-01-01	5117.859150890500
2004-01-01	5504.478929491280
2005-01-01	5810.177297242390
2006-01-01	6856.986884651980
2007-01-01	7636.496031682770
2008-01-01	7577.209593472450
2009-01-01	7384.859301185850
2010-01-01	8007.696484292850
2011-01-01	8270.541757644250
2012-01-01	8218.053212076150
2013-01-01	8481.890520829380
2014-01-01	8796.691080070040
2015-01-01	9306.358868377080
2016-01-01	9364.821524611430
2017-01-01	9574.302495781550