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

Definitions
Team Over Record Over % Under % Total +/-
Baylor 53-34-1 60.9% 39.1% +2.5
Oklahoma 78-58-3 57.4% 42.7% +3.1
Oklahoma St 58-45-2 56.3% 43.7% +1.6
Texas Tech 31-29-2 51.7% 48.3% +0.2
UCF 57-57-1 50.0% 50.0% -0.2
Kansas St 40-42-0 48.8% 51.2% +0.8
Texas 46-51-0 47.4% 52.6% +1.5
Cincinnati 45-51-2 46.9% 53.1% -0.7
Kansas 11-13-1 45.8% 54.2% -2.9
W Virginia 38-47-0 44.7% 55.3% -0.3
Houston 42-54-1 43.8% 56.3% -0.4
BYU 41-53-1 43.6% 56.4% -1.4
TX Christian 42-58-1 42.0% 58.0% -1.3
Iowa St 26-37-3 41.3% 58.7% 0.0