Data Month

Release Date

October 2007

December 11, 2007 

November 2007

January 10, 2008 

December 2007

February 8, 2008 

January 2008

March 10, 2008 

February 2008

April 9, 2008 

March 2008

May 8, 2008 

April 2008

June 6, 2008 

May 2008

July 8, 2008 

June 2008

August 8, 2008

July 2008

September 9, 2008 

August 2008

October 9, 2008

September 2008

November 7, 2008

October 2008

December 10, 2008