How much did milk cost in 2006?

January 2006 $3.20 per gallon February 2006 $3.22 per gallon March 2006 $3.16 per gallon April 2006 $3.12 per gallon May 2006 $3.07 per gallon June 2006 $3.00 per gallon July 2006 $3.08 per gallon August 2006 $3.02 per gallon September 2006 $3.05 per gallon October 2006 $3.06 per gallon November 2006 $2.99 per gallon December 2006 $3.00 per gallon