Year	2010 U.S. Dollars
1996-01-01	757.057603067664
1997-01-01	763.501533155107
1998-01-01	766.317380807881
1999-01-01	773.421284008485
2000-01-01	766.936719197245
2001-01-01	746.409998246671
2002-01-01	732.552230204919
2003-01-01	723.601686861941
2004-01-01	687.191410729882
2005-01-01	688.702986877105
2006-01-01	693.262996865611
2007-01-01	705.388341696728
2008-01-01	700.483332422239
2009-01-01	711.246239961440
2010-01-01	662.279518162433
2011-01-01	688.843386666924
2012-01-01	698.787765236705
2013-01-01	718.420465180633
2014-01-01	728.780321832657
2015-01-01	728.063224553949
2016-01-01	729.360457810966
2017-01-01	728.920402909597