What is every Big 12 Conference team's record against the over/under line at home in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 6-0-0 100.0% 0.0% +30.8
Oklahoma St 6-1-0 85.7% 14.3% +7.6
Texas 4-2-0 66.7% 33.3% +13.3
Baylor 4-2-0 66.7% 33.3% +5.4
Oklahoma 4-2-0 66.7% 33.3% +6.2
Kansas 4-3-0 57.1% 42.9% +3.8
Kansas St 4-3-0 57.1% 42.9% +6.7
TX Christian 2-4-0 33.3% 66.7% -10.7
Iowa State 1-4-1 20.0% 80.0% -8.2
W Virginia 1-6-0 14.3% 85.7% -8.9