1st January 2005,31st December 2005,5.81,
1st January 2006,31st December 2006,5.33,
1st January 2007,30th September 2007,5.90,
1st October 2007,31st December 2007,6.83,
1st January 2008,13th April 2008,6.29,
14th April 2008,30th June 2008,6.60,
1st July 2008,31st December 2008,6.66,
1st January 2009,31st January 2009,6.70,
1st February 2009,28th February 2009,5.81,
1st March 2009,31st March 2009,4.58,
1st April 2009,31st May 2009,3.84,
1st June 2009,31st July 2009,3.20,
1st August 2009,30th September 2009,2.85,
1st October 2009,30th November 2009,2.53,
1st December 2009,31st December 2009,2.20,
1st January 2010,30th June 2010,2.16,
1st July 2010,31st December 2010,2.35,
1st January 2011,31st December 2011,2.48,
1st January 2012,31st October 2012,2.74,
1st November 2012,31st December 2012,2.46,
1st January 2013,31st March 2013,2.19,
1st April 2013,31st December 2013,1.99,
1st January 2014,30th September 2014,1.88,
1st October 2014,31st October 2014,2.04,