What is every Big 12 Conference team's record against the over/under line as a home underdog in the 2009 season?

Definitions
Team Over Record Over % Under % Total +/-
Colorado 4-0-0 100.0% 0.0% +9.1
Oklahoma St 1-0-0 100.0% 0.0% +2.0
Texas A&M 2-0-0 100.0% 0.0% +17.0
Kansas 1-1-0 50.0% 50.0% -2.5
Kansas St 1-2-0 33.3% 66.7% -4.0
Baylor 1-2-0 33.3% 66.7% -5.7
Missouri 0-2-0 0.0% 100.0% -6.8
Texas Tech 0-1-0 0.0% 100.0% -2.0
Iowa St 0-2-0 0.0% 100.0% -10.8
Nebraska 0-1-0 0.0% 100.0% -28.5