DEARBORN, Mich. (AP) - AAA Michigan says gasoline prices have risen about 4 cents during the past week to a statewide average of about $3.77 per gallon. The auto club says Monday the average is about 7 cents per gallon more than this time last year. Of the cities it surveys, AAA Michigan says the cheapest price for self-serve unleaded fuel is in the Marquette area, where it's about $3.66 a gallon. The highest average is in the Grand Rapids and Lansing areas at about $3.83 a gallon. Dearborn-based AAA Michigan surveys 2,800 Michigan gas stations daily.