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

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma St 28-14-1 66.7% 33.3% +3.0
Kansas St 25-14-0 64.1% 35.9% +5.2
Baylor 24-15-1 61.5% 38.5% +2.6
Oklahoma 30-21-1 58.8% 41.2% +2.1
Texas Tech 14-12-1 53.8% 46.2% +2.9
Kansas 8-7-0 53.3% 46.7% -0.6
TX Christian 20-23-0 46.5% 53.5% -0.6
Texas 18-21-0 46.2% 53.8% +1.2
W Virginia 15-24-0 38.5% 61.5% -3.0
Iowa State 10-16-2 38.5% 61.5% +0.9