historical spread of 100 basis points. r Suburban markets also showed a wider spread relative to the long-term average than CBD markets. CBRE-EA h DolAscho Asset Managemant. Oats as of July 2018. Deta as of July 2016. CSRE-EA. Dols Fs of July 2010. CB RE-EA h Desist-As Ass8t Masnaerrwint. CAS: at July 2016. CBRE-EA.