14.3(5)The amount of a pension referred to in subsection (3) or (4) shall be adjusted as of the first day of each year, beginning on January 1, 2009, by multiplying the amount of the pension that would have been payable for that year if no adjustment had been made under this subsection with respect to that following year, by the ratio that the pension index for that year bears to the pension index for the preceding years or 1.05, whichever is the lesser.