"Number of 9th Students Reporting Using an E-Cigarette on One or More Days within the Past 30 Days, All Available Years: by Region" ,,2016,2019 Minnesota,9th,64,172 East Central,9th,, Metro,9th,51,122 Non-Metro,9th,13,50 Northwest,9th,, Northeast,9th,, Southeast,9th,, Southwest,9th,, West Central,9th,, Total,9th,, Sources: Minnesota Student Survey (MSS) SUMN Web Site: http://sumn.org