"Number of 9th Students Reporting Ever Having Had a Boyfriend or Girlfriend in a Dating or Serious Relationship Who Hit, Slapped, or Physically Hurt Them on Purpose, All Available Years: by Region" ,,2013 Minnesota,9th,800.0 East Central,9th,135.0 Metro,9th,378.0 Non-Metro,9th,422.0 Northwest,9th,39.0 Northeast,9th,59.0 Southeast,9th,61.0 Southwest,9th,85.0 West Central,9th,43.0 Total,9th, Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org