What is every Big 12 Conference team's record against the over/under line in post-season bowl games since the 2017 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas 2-0-0 100.0% 0.0% +28.8
Oklahoma 6-1-0 85.7% 14.3% +11.6
TX Christian 3-1-0 75.0% 25.0% +13.9
BYU 3-2-0 60.0% 40.0% +0.3
Baylor 2-2-0 50.0% 50.0% -1.8
Kansas St 2-3-0 40.0% 60.0% -0.7
Houston 2-3-0 40.0% 60.0% -4.0
Texas 2-4-0 33.3% 66.7% -5.8
Oklahoma St 2-5-0 28.6% 71.4% +1.3
UCF 2-5-0 28.6% 71.4% -4.7
Texas Tech 1-3-0 25.0% 75.0% -5.9
W Virginia 1-4-0 20.0% 80.0% -13.3
Cincinnati 1-4-0 20.0% 80.0% -6.4
Iowa St 1-5-0 16.7% 83.3% -9.4