"Number of 9th Students Reporting Use of Heroin within the Past 12 Months, All Available Years: by Region" ,,2013,2016 Minnesota,9th,*,54 East Central,9th,*,11 Metro,9th,*,27 Non-Metro,9th,*,27 Northwest,9th,*,1 Northeast,9th,*,6 Southeast,9th,*,3 Southwest,9th,*,3 West Central,9th,*,3 Total,9th,, Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org