"Number of 9th Students Reporting They Drank Alcohol or Used Drugs Before They Last Had Sexual Intercourse, All Available Years: by Region" ,,2013 Minnesota,9th,484 East Central,9th,67 Metro,9th,226 Non-Metro,9th,258 Northwest,9th,28 Northeast,9th,45 Southeast,9th,35 Southwest,9th,52 West Central,9th,31 Total,9th, Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org