The percentage increase to the monthly retirement allowance payable after June 30, 1972, to a retirant or retirement allowance beneficiary, who was on the rolls for June, 1971, under section 174(1) of former Act No. 258 of the Public Acts of 1972, is continued as follows:

Effective Date of Retirement	Increase
August 1, 1970, to July 1, 1971	1%
August 1, 1969, to July 1, 1970	2%
August 1, 1968, to July 1, 1969	3%
August 1, 1967, to July 1, 1968	4%
August 1, 1966, to July 1, 1967	5%
August 1, 1965, to July 1, 1966	6%
August 1, 1964, to July 1, 1965	7%
August 1, 1963, to July 1, 1964	8%
August 1, 1962, to July 1, 1963	9%
August 1, 1961, to July 1, 1962	10%
August 1, 1960, to July 1, 1961	11%
August 1, 1959, to July 1, 1960	12%
August 1, 1958, to July 1, 1959	13%
August 1, 1957, to July 1, 1958	14%
July 1, 1956, to July 1, 1957	15%