What is every Big 12 Conference team's record against the over/under line as a favorite in the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Baylor 4-1-0 80.0% 20.0% +9.5
Kansas St 7-2-0 77.8% 22.2% +3.8
Oklahoma 7-4-0 63.6% 36.4% +3.0
Oklahoma St 5-4-0 55.6% 44.4% -1.1
Texas Tech 3-3-0 50.0% 50.0% -1.0
Iowa St 1-1-0 50.0% 50.0% +6.5
Texas 4-5-0 44.4% 55.6% +4.6
W Virginia 3-6-0 33.3% 66.7% +4.4
TX Christian 2-4-0 33.3% 66.7% -0.3
Kansas 0-1-0 0.0% 100.0% -13.0