What is every Big 12 Conference team's record against the over/under line as a home underdog since the 2004 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma 1-0-0 100.0% 0.0% +10.5
Texas A&M 19-11-0 63.3% 36.7% +5.0
Oklahoma St 18-11-0 62.1% 37.9% +5.1
W Virginia 16-10-0 61.5% 38.5% +6.9
Houston 15-10-1 60.0% 40.0% +5.7
Texas Tech 23-16-1 59.0% 41.0% +5.2
Colorado 34-28-2 54.8% 45.2% +1.1
Kansas 38-34-1 52.8% 47.2% -0.3
Missouri 15-14-0 51.7% 48.3% -1.8
Nebraska 15-14-1 51.7% 48.3% +1.2
Kansas St 21-22-0 48.8% 51.2% +1.3
Iowa St 26-28-1 48.2% 51.9% 0.0
TX Christian 9-10-0 47.4% 52.6% +0.1
Cincinnati 12-14-0 46.2% 53.9% -3.4
UCF 11-13-0 45.8% 54.2% -2.3
Baylor 20-25-0 44.4% 55.6% -2.1
Texas 5-12-1 29.4% 70.6% -2.2
BYU 6-16-0 27.3% 72.7% -6.3