"Percent of Scott County Students Reporting they first Used Other Drugs at Age 13 or Younger, 2007 - 2010: by Grade and Gender" ,2007,2007,2007,2010,2010,2010 ,Male,Female,Total,Male,Female,Total 6th,3%,1%,2%,2%,3%,2% 9th,6%,5%,6%,3%,3%,3% 12th,3%,1%,2%,4%,2%,3% All Grades,4%,3%,3%,3%,2%,3% Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org