Gov. Sonny Perdue announced Friday that the state revenue dropped by 6 percent in May. Net revenue collections for the month of May 2010 totaled $1,186,660,000 compared to $1,262,138,000 for May 2009, a decrease of $75,478,000 or 6.0 percent. The percentage decrease year-to-date for Fiscal Year 2010 compared to Fiscal Year 2009 is 10.3 percent.