High Risk (5% of 15,000 = 750): semi-annual review = 750 × 2 = **1,500 reviews/year** - Medium Risk (20% of 15,000 = 3,000): annual review = **3,000 reviews/year** - Low Risk (75% of 15,000 = 11,250): triennial review = 11,250 / 3 = **3,750 reviews/year**