How much did gas cost in 2007?

January 2007 $2.27 per gallon February 2007 $2.29 per gallon March 2007 $2.59 per gallon April 2007 $2.86 per gallon May 2007 $3.13 per gallon June 2007 $3.05 per gallon July 2007 $2.96 per gallon August 2007 $2.78 per gallon September 2007 $2.79 per gallon October 2007 $2.79 per gallon November 2007 $3.07 per gallon December 2007 $3.02 per gallon