Year	Current U.S. Dollars
1967-01-01	275494520.141999
1968-01-01	343771964.662167
1969-01-01	339913833.096246
1970-01-01	359772363.262207
1971-01-01	430096738.369216
1972-01-01	486617332.387405
1973-01-01	563683660.311940
1974-01-01	538747268.333356
1975-01-01	830710615.179954
1976-01-01	939227993.663960
1977-01-01	1049838492.557590
1978-01-01	1222702356.109460
1979-01-01	1595423285.646590
1980-01-01	1759690811.606990
1981-01-01	1538972158.178200
1982-01-01	1333754034.234890
1983-01-01	1297765448.504980
1984-01-01	1232932008.137190
1985-01-01	1392195933.339710
1986-01-01	1852163474.546640
1987-01-01	2090629722.636110
1988-01-01	2169040741.558960
1989-01-01	2181821902.439530
1990-01-01	2681912030.493840
1991-01-01	2724131545.169580
1992-01-01	2830673388.824290
1993-01-01	2818280876.076150
1994-01-01	2081846482.747710
1995-01-01	2706425298.368180
1996-01-01	2780422212.269950
1997-01-01	2697105694.079560
1998-01-01	2920358586.752340
1999-01-01	3439463140.355410
2000-01-01	2954129565.829650
2001-01-01	3465305993.477830
2002-01-01	3889758023.736990
2003-01-01	4703504466.532450
2004-01-01	5444474268.424910
2005-01-01	6245031690.068080
2006-01-01	6899799785.844100
2007-01-01	8145694631.883540
2008-01-01	9750822511.479880
2009-01-01	10181021770.432600
2010-01-01	10678749467.469700
2011-01-01	12978107560.598200
2012-01-01	12442747897.222300
2013-01-01	13246412031.414500
2014-01-01	14388360064.116200
2015-01-01	13100058099.804000
2016-01-01	14034980333.661500
2017-01-01	15288163367.260200