April 1 - June 30, 2009
July 1 - September 30, 2009
October 1 - December 31, 2009
January 1 - March 31, 2010
April 1 - June 30, 2010
July 1, 2010 - September 30, 2010
October 1, 2010 - December 31, 2010
January 1, 2011 - March 31, 2011
April 1, 2011 - June 30, 2011
July 1, 2011 - September 30, 2011
