"Percent of Scott County 9th Students Reporting Use of Heroin within the Past 12 Months, 1995 - 2020: by Gender" ,2007,2007,2007,2010,2010,2010,2013,2013,2013,2016,2016,2016 ,Female,Male,Total,Female,Male,Total,Female,Male,Total,Female,Male,Total 9th,1.0%,1.7%,1.4%,0.4%,0.3%,0.4%,*,*,*,0.4%,0.8%,0.6% Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org