Year	Current U.S. Dollars
1970-01-01	459.210826100034
1971-01-01	507.207603912242
1972-01-01	587.643349682678
1973-01-01	718.651523917515
1974-01-01	1097.638386971170
1975-01-01	1225.751568113910
1976-01-01	1374.642101768990
1977-01-01	1533.952115036590
1978-01-01	1621.384333688860
1979-01-01	1976.059809928930
1980-01-01	2567.709036675550
1981-01-01	2600.722891196700
1982-01-01	2536.459691091150
1983-01-01	2403.184186355690
1984-01-01	2333.133728480320
1985-01-01	2199.208252081440
1986-01-01	2111.128702108320
1987-01-01	2361.889418334240
1988-01-01	2551.519997549200
1989-01-01	2604.949634418350
1990-01-01	2955.902341629300
1991-01-01	2961.655626805130
1992-01-01	3102.187522186300
1993-01-01	3009.150014396130
1994-01-01	3120.402850074250
1995-01-01	3482.685787023260
1996-01-01	3654.554873112430
1997-01-01	3864.631968765350
1998-01-01	3798.067675807130
1999-01-01	4015.804205312840
2000-01-01	4388.425075264430
2001-01-01	4335.230971984960
2002-01-01	4569.595670732170
2003-01-01	5361.862611670190
2004-01-01	6354.724513175540
2005-01-01	7460.242773682210
2006-01-01	8513.857676108280
2007-01-01	9982.369323825430
2008-01-01	11787.047174976700
2009-01-01	9860.503567941970
2010-01-01	11095.115307135100
2011-01-01	13173.544466368700
2012-01-01	13492.414692776200
2013-01-01	13704.982532965600
2014-01-01	13812.851503774300
2015-01-01	11605.696008222000
2016-01-01	11129.106525128700
2017-01-01	11933.395558639000