2009 Monthly bulletins

• Monthly bulletin n°235 - December 2009
• Monthly bulletin n°234 - November 2009
• Monthly bulletin n°233 - October 2009
• Monthly bulletin n°232 - September 2009
• Monthly bulletin n°231 - August 2009
• Monthly bulletin n°230 - July 2009
• Monthly bulletin n°229 - June 2009
• Monthly bulletin n°228 - May 2009
• Monthly bulletin n°227 - April 2009
• Monthly bulletin n°226 - March 2009
• Monthly bulletin n°225 - February 2009
• Monthly bulletin n°224 - January 2009