In 2001, Iowa drew 56k and 58k to face Kent State and Miami(OH).
In 2016, ISU drew 51k to face 3 different ranked B12 teams (#13 Baylor, #12 Oklahoma, #19WVU).
And the Iowa ticket prices were probably higher in 2001 than ISU in 2016.
The weird thing is, you guys actually believe that you draw...