New data from analytics firm CoStar (CSGP) shows that distress levels of commercial real estate loans eased in June.

CoStar’s index measures commercial real estate repeat sales activity. It’s based on 854 repeat sales and more than 100,000 repeat sales since 1996.

According to the index, 18.6% of observed loan trades in June 2012 were distressed, notably lower than the 28.8% average over the past three years: