From the period between September 10, 2011 and September 26, 2011.
From the period between August 12, 2011 and September 9, 2011.
From the period between July 8, 2011 and August 11, 2011.
From the period between June 14, 2011 and July 7, 2011.
From the period between May 25, 2011 and June 13, 2011.
From the period between April 30, 2011 and May 24, 2011.
From the period between April 2, 2011 and April 29, 2011.
From the period between March 12, 2011 and April 1, 2011.
From the period between February 26, 2011 and March 11, 2011.
From the period between February 18, 2011 and February 25, 2011.
From the period between February 1, 2011 and February 18, 2011.
From the period between December 24, 2010 and February 1, 2011.
From the period between December 11, 2010 and December 23, 2010.
From the period between November 21, 2010 and December 10, 2010.
From the period between October 20, 2010 and November 20, 2010.
From the period between October 9, 2010 and October 19, 2010.
From the period between October 1, 2010 and October 8, 2010.
From the period between August 27, 2010 and September 30, 2010.
From the period between July 3, 2010 and August 26, 2010.
From the period between June 18, 2010 and July 2, 2010.
