(a) A one-time supplement to retirement benefits shall be provided to retirees of this system who have: (i) Reached the specified age threshold; and (ii) have been in retirement status for the specified number of years, as follows:
(1) For retirees who, as of July 1, 2001, are at least sixty-five years of age and who have been an annuitant for at least five consecutive years, this one-time supplement shall equal five percent of his or her annuity benefit as of the effective date of this section;