"Number of 9th Students Reporting Any Use of Tranquilizers or Sedatives Not Prescribed for Them by Their Doctor within the Past 12 Months, All Available Years: by Region" ,,2013,2016 Minnesota,9th,*,339.0 East Central,9th,*,33.0 Metro,9th,*,229.0 Non-Metro,9th,*,110.0 Northwest,9th,*,20.0 Northeast,9th,*,12.0 Southeast,9th,*,21.0 Southwest,9th,*,15.0 West Central,9th,*,9.0 Total,9th,, Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org