"Percent of Scott County Students Reporting they First Smoked Marijuana at Age 13 or Younger, 2010: by Grade and Gender" ,2013,2013,2013,2016,2016,2016 ,Female,Male,Total,Female,Male,Total 11th,4.0%,8.4%,6.2%,4.2%,6.8%,5.5% 9th,7.1%,8.5%,7.8%,6.2%,7.0%,6.6% All Grades,5.6%,8.5%,7.1%,5.3%,6.9%,6.1% Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org