"Number of 9th Students Reporting Use of Synthetic Drugs within the Past 12 Months, All Available Years: by Region" ,,2013,2016 Minnesota,9th,*,245 East Central,9th,*,35 Metro,9th,*,137 Non-Metro,9th,*,108 Northwest,9th,*,12 Northeast,9th,*,15 Southeast,9th,*,20 Southwest,9th,*,16 West Central,9th,*,10 Total,9th,, Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org