How much did ground beef cost in 2006?

January 2006 $2.28 per pound February 2006 $2.19 per pound March 2006 $2.25 per pound April 2006 $2.23 per pound May 2006 $2.24 per pound June 2006 $2.24 per pound July 2006 $2.15 per pound August 2006 $2.21 per pound September 2006 $2.20 per pound October 2006 $2.21 per pound November 2006 $2.21 per pound December 2006 $2.26 per pound