2009 May 2009 June 2009 July 2009 August 2009 Sep ternber 2009 October 2009 November 2009 Decernber 2010 January February 2010 2010 March 2010 2010 May 2010 June 2010 July 2010 August Septernber 2010 October 2010 1.71 1.9 2.74 4.2 1.45 1.8 2.03 1.99 2.32 2.2 2.13 2.43 1.9 2.13 0.797 0.925 1,158 1.744 0888 0.819 0.938 0.935 1.02 0.928 0.923 0.948 1.77 2.06 2.59 3.91 2 1.85 2.13 2.13 2.34 2.13 2.13 2.2 1.85 2.16