I have the EADA reports for the year ending 2013. I took a look at football expenses as a percentage of expenses for all sports for the Big 12 teams plus Iowa. Here are the results:
Code:
Iowa State University 42%
University of Iowa 43%
University of Kansas 34%
Kansas State University 47%
Oklahoma State 45%
University of Oklahoma 43%
Baylor University 40%
University of Texas 42%
Texas Christian University 53%
Texas Tech University 44%
West Virginia University 43%