The results of the annual survey of the geographic origins, or permanent residence, of students attending institutions of the State University of New York (SUNY) during the Fall 1987 term are presented. All credit course students and all institutions of the State University system are included. This third of three volumes focuses on enrollment trends. Student and institutional data elements entering into this report are: student level; student load; student history; permanent residence; county of location; New York State Planning region; and contiguous counties. A map of SUNY institutions and a chronology of their dates of establishment are provided. The report's three parts look at: percentage trends of full-time students by permanent residence from 1959 through 1987; trends in first-time full-time enrollments by institution from 1981-1987; and trends in first-time full-time enrollments by county from 1981-1987. A publications list of the Central Staff Office of Institutional Research is provided. Volumes I and II focus on three distinct types of summaries using the individual institution as the unit of analysis and reports displaying credit course students by origin or origin grouping. (SM)