How much did gas cost in 1989?

January 1989 $0.92 per gallon February 1989 $0.93 per gallon March 1989 $0.94 per gallon April 1989 $1.07 per gallon May 1989 $1.12 per gallon June 1989 $1.11 per gallon July 1989 $1.09 per gallon August 1989 $1.06 per gallon September 1989 $1.03 per gallon October 1989 $1.03 per gallon November 1989 $1.00 per gallon December 1989 $0.98 per gallon