What is every Big 12 Conference team's record against the over/under line as a home favorite in the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 2-0-0 100.0% 0.0% +4.0
Oklahoma 6-1-0 85.7% 14.3% +10.9
Baylor 3-1-0 75.0% 25.0% +9.2
Oklahoma St 3-1-0 75.0% 25.0% +5.6
W Virginia 3-2-0 60.0% 40.0% -1.7
Kansas 1-1-0 50.0% 50.0% +8.5
Iowa State 2-2-1 50.0% 50.0% +7.1
Kansas St 1-2-0 33.3% 66.7% -3.2
TX Christian 1-3-0 25.0% 75.0% -13.5
Texas 1-3-0 25.0% 75.0% -10.1