How much did eggs cost in 1991?

January 1991 $1.11 per dozen February 1991 $0.99 per dozen March 1991 $1.07 per dozen April 1991 $1.00 per dozen May 1991 $0.91 per dozen June 1991 $0.88 per dozen July 1991 $0.97 per dozen August 1991 $1.02 per dozen September 1991 $0.99 per dozen October 1991 $0.98 per dozen November 1991 $0.95 per dozen December 1991 $1.01 per dozen