Period 01 - July 2011Period 02 - August 2011Period 03 - September 2011Period 04 - October 2011Period 05 - November 2011Period 06 - December 2011Period 07 - January 2012Period 08 - January 2012Period 09 - March 2012Period 10 - April 2012Period 11 - May 2012Period 12 - June 2012