What is every Big 12 Conference team's record against the over/under line in conference games since the 2003 season?

Definitions
Team Over Record Over % Under % Total +/-
Kansas St 86-68-1 55.8% 44.2% +3.3
Oklahoma 89-73-1 54.9% 45.1% +2.7
Texas Tech 83-69-2 54.6% 45.4% +2.2
Oklahoma St 82-69-3 54.3% 45.7% +2.2
Baylor 79-74-2 51.6% 48.4% +1.3
Colorado 78-75-0 51.0% 49.0% +0.7
Texas A&M 74-72-0 50.7% 49.3% +1.5
Kansas 76-74-2 50.7% 49.3% +0.2
Nebraska 72-77-3 48.3% 51.7% +0.9
W Virginia 68-73-1 48.2% 51.8% -0.6
TX Christian 69-80-4 46.3% 53.7% -0.1
Iowa State 66-85-3 43.7% 56.3% -1.0
Texas 66-87-3 43.1% 56.9% -1.1
Missouri 65-86-0 43.0% 57.0% -2.5