What is every Big 12 Conference team's record against the over/under line in post-season bowl games since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas 2-0-0 100.0% 0.0% +28.8
TX Christian 5-3-0 62.5% 37.5% +7.3
Oklahoma 7-5-0 58.3% 41.7% +5.3
Baylor 5-4-0 55.6% 44.4% +0.6
Houston 5-4-0 55.6% 44.4% +0.6
Kansas St 5-5-0 50.0% 50.0% -0.2
BYU 5-5-0 50.0% 50.0% +1.6
Texas Tech 3-4-0 42.9% 57.1% -2.3
UCF 4-7-0 36.4% 63.6% -1.0
Texas 3-6-0 33.3% 66.7% -7.7
Oklahoma St 4-8-0 33.3% 66.7% -0.4
W Virginia 3-6-0 33.3% 66.7% -6.6
Cincinnati 2-6-1 25.0% 75.0% -2.7
Iowa St 1-6-0 14.3% 85.7% -8.4