Date Price

June 23 130.70
June 20 128.56
June 19 129.44
June 18 128.45
Last week an average of 129.04
May an average of 119.39
In 2007 an average of 69.02
In 2006 an average of 61.08
In 2005 an average of 50.64
In 2004 an average of 36.05
In 2003 an average of 28.10
In 2002 an average of 24.36
In 2001 an average of 23.12

Submitted：2008-06-25 18:20:29