Total fall enrollment in degree-granting postsecondary institutions, by level of enrollment, control and level of institution, attendance status, and age of student: 2018,�https://nces.ed.gov/programs/digest/ d16/tables/dt16_303.50.asp.� 8.� �National�Center�for�Education�Statistics,� Digest of Education Statistics: Table 303.50: Total fall enrollment in degree-granting postsecondary institutions, by level of enrollment, control and level of institution, attendance status, and age of student: 2015,� 2018,�https://nces.ed.gov/programs/digest/ d16/tables/dt16_303.50.asp.� 9.� �National�Center�for�Education�� Statistics,�2018,�https://nces.ed.gov/datalab/ index.aspx.� 10.� �National�Center�for�Education�Statistics,� Digest of Education Statistics: Table 303.50: Total fall enrollment in degree-granting postsecondary institutions, by level of enrollment, control and level of institution, attendance status, and age of student: 2015,� 2018,�https://nces.ed.gov/programs/digest/ d16/tables/dt16_303.50.asp.