What is every Big 12 Conference team's record against the over/under line in NCAA tournament games in the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa St 1-1-0 50.0% 50.0% +1.8
Kansas 1-2-0 33.3% 66.7% +1.8
Oklahoma 0-1-0 0.0% 100.0% -8.5
Kansas St 0-1-0 0.0% 100.0% -9.0
Oklahoma St 0-1-0 0.0% 100.0% -12.5