What is every Big Sky Conference team's record against the over/under line as an underdog since the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
North Dakota 129-100-1 56.3% 43.7% +3.2
Montana St 101-83-0 54.9% 45.1% +1.4
Idaho St 130-107-4 54.9% 45.2% +2.0
S Utah 113-95-4 54.3% 45.7% +2.0
N Colorado 79-68-0 53.7% 46.3% +1.2
Weber St 57-50-0 53.3% 46.7% +0.6
Montana 51-46-1 52.6% 47.4% +0.7
Portland St 95-88-4 51.9% 48.1% +2.6
E Washingtn 79-75-3 51.3% 48.7% +1.6
Idaho 112-108-4 50.9% 49.1% +1.2
Sac State 108-108-3 50.0% 50.0% -0.2
N Arizona 119-137-2 46.5% 53.5% -0.3