What is every National League Central team's record against the over/under line as a road underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
St. Louis 188-179-18 51.2% 48.8% +0.6
Chi Cubs 161-160-13 50.2% 49.8% +0.6
Pittsburgh 264-273-25 49.2% 50.8% +0.5
Cincinnati 258-284-20 47.6% 52.4% +0.3
Milwaukee 180-239-26 43.0% 57.0% -0.1