RALEIGH, North Carolina, June 30 -- The North Carolina Department of Commerce issued the following news release: Unemployment rates (not seasonally adjusted) increased in 89 of North Carolina's counties in May, decreased in six, and remained unchanged in five. Scotland County had the highest unemployment rate at 7.3 percent while Chatham and Orange Counties each had the lowest at 2.9 percent. All fifteen of the state's metro areas experienced rate increases. Among the metro areas, Rocky Mount h  more