|NOTE: Expenditure data for school year 2012 (2012–13) are estimated. Degree data for school year 2012 are projected. Doctor's degrees include Ph.D., Ed.D., and comparable degrees at
the doctoral level, as well as such degrees as M.D., D.D.S., and law degrees that were formerly classified as first-professional degrees.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Opening Fall Enrollment in Higher Education, 1960 through 1965; Financial Statistics of Higher Education,
1959–60 through 1964–65; Earned Degrees Conferred, 1959–60 through 1964–65; Degrees Conferred Projection Model, 1980–81 through 2023–24; Higher Education General Information
Survey (HEGIS), "Fall Enrollment in Institutions of Higher Education," "Degrees and Other Formal Awards Conferred," and "Financial Statistics of Institutions of Higher Education" surveys,
1965–66 through 1985–86; Integrated Postsecondary Education Data System (IPEDS), "Fall Enrollment Survey" (IPEDS-EF:86–99), "Completions Survey" (IPEDS-C:87–99), and "Finance
Survey" (IPEDS-F:FY87–99); IPEDS Fall 2000 through Fall 2012, Completions component; and IPEDS Spring 2001 through Spring 2013, Enrollment and Finance components.