What is every Big 12 Conference team's record against the over/under line as a favorite in the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 2-0-0 100.0% 0.0% +12.3
Oklahoma 11-3-0 78.6% 21.4% +7.8
Iowa St 12-7-0 63.2% 36.8% +1.4
Baylor 12-11-0 52.2% 47.8% +2.8
Kansas St 9-9-1 50.0% 50.0% +1.3
Kansas 15-16-1 48.4% 51.6% +2.0
W Virginia 7-8-0 46.7% 53.3% -2.5
Texas 6-7-0 46.2% 53.9% -2.5
Oklahoma St 10-14-0 41.7% 58.3% +1.2
TX Christian 1-4-0 20.0% 80.0% -14.1