DEARBORN (AP) -- AAA Michigan says gasoline prices are up two cents per gallon over the past week to a statewide average of $3.98.

The auto club says Monday the statewide average is about $1.13 cents per gallon higher than last year at this time.

Of the cities it surveys, AAA Michigan says the cheapest price for self-serve regular fuel is in the Saginaw and Bay City areas, where it's $3.93 a gallon.  The highest average can be found in the Marquette area at $4.09.

Dearborn-based AAA Michigan surveys 2,800 Michigan gas stations daily.

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