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

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 2-0-0 100.0% 0.0% +12.3
Iowa St 9-2-0 81.8% 18.2% +3.9
Oklahoma 7-2-0 77.8% 22.2% +5.1
Kansas St 6-3-1 66.7% 33.3% +2.7
Kansas 7-6-1 53.9% 46.2% +2.0
Baylor 8-7-0 53.3% 46.7% +3.3
W Virginia 4-4-0 50.0% 50.0% -1.5
Oklahoma St 6-10-0 37.5% 62.5% +0.3
Texas 2-5-0 28.6% 71.4% -9.5
TX Christian 0-4-0 0.0% 100.0% -20.5