1. Jul 2009 Jun 2009 May 2009 Apr 2009 Mar 2009 Feb 2009 Jan 2009 Dec 2008 Nov 2008 Oct 2008 Sep 2008 Aug 2008 Jul 2008 Jun 2008 May 2008 Apr 2008 Mar 2008 Feb 2008 Jan 2008

  2. 64.23 USD 64.23 USD 51.53 USD 51.53 USD 53.03 USD 53.03 USD 57.49 USD 57.49 USD 56.04 USD 56.04 USD 60.30 USD 60.30 USD 44.92 USD 44.92 USD 63.23 USD 63.23 USD 57.49 USD 57.49 USD 41.56 USD 41.56 USD 78.64 USD 78.64 USD 63.81 USD 63.81 USD 60.49 USD 60.49 USD 64.47 USD 64.47 USD 58.34 USD 58.34 USD 67.89 USD 67.89 USD 67.47 USD 67.47 USD 47.85 USD 47.85 USD