What is every Big 12 Conference team's record against the over/under line in post-season bowl games since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas 2-0-0 100.0% 0.0% +28.8
TX Christian 5-1-0 83.3% 16.7% +12.5
Oklahoma 6-3-0 66.7% 33.3% +6.7
Kansas St 4-3-0 57.1% 42.9% +1.9
BYU 4-3-0 57.1% 42.9% +0.5
Baylor 3-3-0 50.0% 50.0% -3.6
Houston 3-4-0 42.9% 57.1% -3.1
Texas Tech 2-3-0 40.0% 60.0% -2.9
Texas 2-4-0 33.3% 66.7% -5.8
W Virginia 2-5-0 28.6% 71.4% -8.1
UCF 2-6-0 25.0% 75.0% -5.0
Oklahoma St 2-7-0 22.2% 77.8% -1.4
Iowa St 1-5-0 16.7% 83.3% -9.4
Cincinnati 1-5-0 16.7% 83.3% -6.6