Year	Current U.S. Dollars
1975-01-01	883.442830926886
1976-01-01	867.992381733227
1977-01-01	887.472154100158
1978-01-01	1008.443327106130
1979-01-01	1209.829865922750
1980-01-01	1354.843075436350
1981-01-01	1365.289477410750
1982-01-01	1302.553242836350
1983-01-01	1218.894988000880
1984-01-01	1308.156080996210
1985-01-01	1215.570551199440
1986-01-01	1299.236573710920
1987-01-01	1259.710126242020
1988-01-01	1304.226269789280
1989-01-01	1345.271965100800
1990-01-01	1429.115056199560
1991-01-01	1494.990856838770
1992-01-01	1617.032340374170
1993-01-01	1681.466355253460
1994-01-01	1907.145250315220
1995-01-01	2025.046638727220
1996-01-01	2139.725471173000
1997-01-01	2106.021594182610
1998-01-01	1777.028414186580
1999-01-01	1920.090437301910
2000-01-01	1753.433019017430
2001-01-01	1697.679983142400
2002-01-01	1767.091974394700
2003-01-01	2048.072896773450
2004-01-01	2339.116554049180
2005-01-01	2540.139520581970
2006-01-01	2638.502483397540
2007-01-01	2858.258468633990
2008-01-01	3040.963480389050
2009-01-01	2643.082398516850
2010-01-01	2896.750044355870
2011-01-01	3401.063387100060
2012-01-01	3586.754280879220
2013-01-01	3670.618533420440
2014-01-01	3776.844559977230
2015-01-01	3640.271337304970
2016-01-01	3778.829323986180
2017-01-01	4004.383908554870