"Number of 8th Students Reporting Use of Heroin within the Past 12 Months, All Available Years: by Region" ,,2013,2016 Minnesota,8th,*,72 East Central,8th,*,8 Metro,8th,*,39 Non-Metro,8th,*,33 Northwest,8th,*,5 Northeast,8th,*,2 Southeast,8th,*,11 Southwest,8th,*,3 West Central,8th,*,4 Total,8th,, Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org