Year	Current U.S. Dollars
1977-01-01	495.434885376447
1978-01-01	608.420710249863
1979-01-01	591.208492443060
1980-01-01	784.714661284754
1981-01-01	878.520975370063
1982-01-01	958.518715602658
1983-01-01	1069.286070690810
1984-01-01	1210.679370839990
1985-01-01	1338.690509419570
1986-01-01	1534.735694270100
1987-01-01	1745.863591932400
1988-01-01	2003.940044418430
1989-01-01	2152.860308161960
1990-01-01	2345.010605733050
1991-01-01	2547.034768033610
1992-01-01	2701.976317588550
1993-01-01	2814.471542178320
1994-01-01	3018.778239099650
1995-01-01	3139.180543619510
1996-01-01	3323.416184474590
1997-01-01	3473.795902385500
1998-01-01	3676.778215119370
1999-01-01	3830.175253433200
2000-01-01	4820.107566663050
2001-01-01	4924.922784130480
2002-01-01	4836.384921241130
2003-01-01	4994.667402197400
2004-01-01	5325.046981080740
2005-01-01	5244.033731722570
2006-01-01	5513.160709680830
2007-01-01	5939.053584945060
2008-01-01	6446.663831853910
2009-01-01	6866.224899034570
2010-01-01	6912.435713989470
2011-01-01	6986.046686972530
2012-01-01	6745.849758480930
2013-01-01	6933.415183138940
2014-01-01	7195.393296509020
2015-01-01	7313.849428007050
2016-01-01	7906.721741525870
2017-01-01	7609.614348877110