How much did gas cost in 2010?

January 2010 $2.73 per gallon February 2010 $2.66 per gallon March 2010 $2.78 per gallon April 2010 $2.86 per gallon May 2010 $2.87 per gallon June 2010 $2.74 per gallon July 2010 $2.74 per gallon August 2010 $2.75 per gallon September 2010 $2.70 per gallon October 2010 $2.80 per gallon November 2010 $2.85 per gallon December 2010 $2.99 per gallon