A member under municipal police member coverage plan 4 shall contribute twelve and thirty-five hundredths percent of salary starting with the first full pay period in the calendar month in which municipal police member coverage plan 4 becomes applicable to the member, except that a member whose annual salary is greater than twenty-five thousand dollars ($25,000) shall contribute:
A. prior to July 1, 2022, thirteen and eighty-five hundredths percent of salary;
B. beginning July 1, 2022 and continuing through June 30, 2023, fourteen and thirty-five hundredths percent of salary;
C. beginning July 1, 2023 and continuing through June 30, 2024, fourteen and eighty-five hundredths percent of salary;
D. beginning July 1, 2024 and continuing through June 30, 2025, fifteen and thirty-five hundredths percent of salary; and
E. beginning July 1, 2025 and thereafter, fifteen and eighty-five hundredths percent of salary.