The article is from an OSU message board and is based on fan ejection and arrests.
http://www.elevenwarriors.com/college-football/2015/07/55371/a-look-at-2014-stadium-ejections-arrests-and-incidents-from-big-ten-football-programs
Iowa's report is pretty detailed.
"Insert ugly table format here"
Ultimately subjective - one school lets more things go than another, is it the home fans or visitors that are getting in trouble.
I think Colorado having their student section ejected would destroy MSU in one game only