0 (Extremely Low: Almost no Structure Risk)

0.1 - 20 (Very Low: Minimal Structure Risk)

20.1 - 40 (Low: Infrequent Structure Risk)

40.1 - 60 (Moderate: Some Structure Risk)

60.1 - 80 (High: Significant Structure Risk)

80.1 - 100 (Very High: Substantial Structure Risk)