... See notes at end of table. Enrollment in Postsecondary Institutions, Fall 2010; Financial Statistics, Fiscal Year 2010; and Graduation Rates, Selected Cohorts, 2002–07 First LookU .S. D ... degree-seeking subcohort at Title IV 4 -year degree-granting institutions, by cohort year, control of institution, and institutional category: United States, cohort years 1998, 2001, and 2004 2010. Graduation ... less-than-4 -year institutions use cohort year 2006 as the reference period and report on all students in the cohort. For 4 -year institutions operating on standard academic terms, students beginning in...