How much did ground beef cost in 2011?

January 2011 $2.53 per pound February 2011 $2.66 per pound March 2011 $2.72 per pound April 2011 $2.72 per pound May 2011 $2.69 per pound June 2011 $2.77 per pound July 2011 $2.82 per pound August 2011 $2.82 per pound September 2011 $2.87 per pound October 2011 $2.88 per pound November 2011 $2.90 per pound December 2011 $2.92 per pound