How much did gas cost in 1999?

January 1999 $0.97 per gallon February 1999 $0.96 per gallon March 1999 $0.99 per gallon April 1999 $1.18 per gallon May 1999 $1.18 per gallon June 1999 $1.15 per gallon July 1999 $1.19 per gallon August 1999 $1.26 per gallon September 1999 $1.28 per gallon October 1999 $1.27 per gallon November 1999 $1.26 per gallon December 1999 $1.30 per gallon