Year	Current U.S. Dollars
1970-01-01	2755.73261675495
1971-01-01	3246.41683619707
1972-01-01	3909.01941808628
1973-01-01	5581.26256171172
1974-01-01	15623.55714516760
1975-01-01	15283.36587361270
1976-01-01	18893.10230441070
1977-01-01	19828.55013215390
1978-01-01	21093.95143342480
1979-01-01	27436.15999972730
1980-01-01	34986.45788435180
1981-01-01	34904.18371484410
1982-01-01	27385.77057450620
1983-01-01	20898.29134672240
1984-01-01	19634.78591373920
1985-01-01	16582.08438600720
1986-01-01	12698.20459412530
1987-01-01	12895.80855592680
1988-01-01	13605.83296071380
1989-01-01	14047.05239117520
1990-01-01	15448.66547676420
1991-01-01	14120.29449470140
1992-01-01	15430.65925793970
1993-01-01	14268.49837079500
1994-01-01	14542.54285534420
1995-01-01	15849.31878747310
1996-01-01	17344.95693047610
1997-01-01	21132.87140369130
1998-01-01	18631.78792484520
1999-01-01	21763.45097635400
2000-01-01	29986.29015273540
2001-01-01	28430.63635495300
2002-01-01	29990.65491805470
2003-01-01	34176.98182767470
2004-01-01	41818.35256282940
2005-01-01	51488.49529404600
2006-01-01	60256.55925891680
2007-01-01	67005.61258143300
2008-01-01	82967.37228490530
2009-01-01	61478.23812742910
2010-01-01	70306.22784493010
2011-01-01	85948.07045567120
2012-01-01	88564.82297964160
2013-01-01	88304.87957542580
2014-01-01	86852.71018919800
2015-01-01	66346.52266858730
2016-01-01	59324.33877327730
2017-01-01	63505.80525021300