Year	2010 U.S. Dollars
1970-01-01	12430.7130392698
1971-01-01	12712.4486482730
1972-01-01	13337.7558592445
1973-01-01	13745.2542124768
1974-01-01	14095.3739616798
1975-01-01	14649.6665924377
1976-01-01	14631.5158338234
1977-01-01	15619.9790505941
1978-01-01	16506.6774331268
1979-01-01	16788.7621544260
1980-01-01	17107.7273430882
1981-01-01	17470.8043856114
1982-01-01	17701.5974259831
1983-01-01	17533.6079787140
1984-01-01	18184.0488162235
1985-01-01	18715.1565461667
1986-01-01	18626.5283639196
1987-01-01	19493.0792946533
1988-01-01	20598.0207219562
1989-01-01	21882.1095202584
1990-01-01	23714.7376576609
1991-01-01	24033.7718140817
1992-01-01	24668.4093969371
1993-01-01	25206.3264282472
1994-01-01	26552.2865800744
1995-01-01	28961.5801234955
1996-01-01	30977.1836017787
1997-01-01	33823.8237511561
1998-01-01	36318.1079869736
1999-01-01	39723.9693433057
2000-01-01	42945.2259221961
2001-01-01	44719.9041577987
2002-01-01	46746.9745294478
2003-01-01	47426.3717616041
2004-01-01	49678.4045551021
2005-01-01	51527.3337185625
2006-01-01	52926.1996247515
2007-01-01	54096.2490324437
2008-01-01	50918.3290414051
2009-01-01	48071.7195658055
2010-01-01	48671.8882936068
2011-01-01	49906.5951472916
2012-01-01	49714.0307342277
2013-01-01	50263.4035659536
2014-01-01	54052.9549034348
2015-01-01	67229.1916860972
2016-01-01	69892.3156470839
2017-01-01	74433.4556552143