(aa) where no hospitalization is necessary,—
(i) of fourteen days in the aggregate in each calendar
year if the employee has been employed for less than
two years;
(ii) of eighteen days in the aggregate in each calendar
year if the employee has been employed for two
years or more but less than five years;
(iii) of twenty-two days in the aggregate in each calendar
year if the employee has been employed for five
years or more; or