Section 22B. In each fiscal year, the governor shall recommend to the general court an appropriation to be set aside in the PRIT Fund to reduce the unfunded pension liability of retirement systems participating in said fund pursuant to section twenty-two. Such recommendation shall be equal to or greater than one point three per cent of the total amount appropriated for the salaries of permanent and temporary state employees in subsidiary accounts ''01'' and ''02'', so called, in such fiscal year.