What is every National League Central team's record against the over/under line in non-league games since the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Milwaukee 158-146-25 52.0% 48.0% +0.5
Pittsburgh 160-156-13 50.6% 49.4% +0.4
Chi Cubs 159-160-18 49.8% 50.2% +0.4
Houston 158-180-15 46.8% 53.3% +0.3
Cincinnati 148-174-8 46.0% 54.0% +0.2
St. Louis 143-177-15 44.7% 55.3% +0.1