$3.8970/lb

- February 2012

+ January 2012

+ December 2011

+ November 2011

+ October 2011

+ September 2011

+ August 2011

+ July 2011

+ June 2011

+ May 2011

+ April 2011

+ March 2011

+ February 2011

+ January 2011

+ December 2010

+ November 2010

+ October 2010

+ September 2010

+ August 2010

+ July 2010

+ June 2010

+ May 2010

+ April 2010

+ March 2010

+ February 2010