What is every Big 12 Conference team's record against the over/under line as a home underdog in the 2007 season?

Definitions
Team Over Record Over % Under % Total +/-
Oklahoma St 3-0-0 100.0% 0.0% +12.5
Kansas St 1-0-0 100.0% 0.0% +12.5
Nebraska 2-0-0 100.0% 0.0% +34.8
Texas A&M 1-1-0 50.0% 50.0% -8.8
Iowa St 2-3-0 40.0% 60.0% -6.4
Colorado 1-3-0 25.0% 75.0% -11.5
Baylor 1-3-0 25.0% 75.0% -7.4
Texas Tech 0-1-0 0.0% 100.0% -5.0