Year	Current U.S. Dollars
1970-01-01	2750.71974235504
1971-01-01	3180.05592702963
1972-01-01	3795.56608060014
1973-01-01	5027.66030875905
1974-01-01	5617.74172094103
1975-01-01	6212.76312670789
1976-01-01	6609.75339228261
1977-01-01	7653.88471144611
1978-01-01	9446.16678520783
1979-01-01	11238.34067476310
1980-01-01	12092.38185429450
1981-01-01	10170.44627542240
1982-01-01	9876.22823170597
1983-01-01	9827.02240932529
1984-01-01	9277.93229930700
1985-01-01	9393.89169050237
1986-01-01	13410.89710037070
1987-01-01	16614.41010369520
1988-01-01	17863.43789713860
1989-01-01	17697.16351356940
1990-01-01	22219.57252714860
1991-01-01	23269.38179724450
1992-01-01	26333.53744451500
1993-01-01	25488.51951893140
1994-01-01	27087.55845356170
1995-01-01	31729.69976334510
1996-01-01	30564.24780583870
1997-01-01	27045.71912733180
1998-01-01	27340.67288488840
1999-01-01	26795.99113168140
2000-01-01	23718.74669947100
2001-01-01	23687.31689281980
2002-01-01	25205.16444517500
2003-01-01	30359.95215256660
2004-01-01	34165.93403051310
2005-01-01	34696.62091671000
2006-01-01	36447.87231831950
2007-01-01	41814.81909652220
2008-01-01	45699.19832329620
2009-01-01	41732.70725315800
2010-01-01	41785.55691255400
2011-01-01	46810.32795880570
2012-01-01	44065.24890827670
2013-01-01	46530.91142757760
2014-01-01	48042.56343465180
2015-01-01	41323.92150216900
2016-01-01	42232.57420829480
2017-01-01	44469.90906072440