; and (bb) are not described in subclauses (II) through (V). (IX) Of such students, the percentage who have paid each such loan in full before the end of such second succeeding fiscal year. (X) Of such students, the percentage whose obligation to repay all such loans has been discharged under section 437 before the end of such second succeeding fiscal year. (ii) Exclusion of certain programs of study The Secretary shall exclude under clause (i) information with respect to any program of study if the number of students (or former students) of such program is insufficient to yield statistically reliable information or the results would reveal personally identifiable information about an individual student (or former student). (iii) Definitions In this subparagraph: (I) Covered institution The term covered institution means an institution that is the beneficiary of an endowment fund that has a total value of not less than $1,000,000,000. (II) Endowment fund The term endowment fund means a fund established by State law, by an institution of higher education, or by a foundation which is exempt from Federal income taxation and is maintained for the purpose of generating income for the support of the institution, but which shall not include real estate. .