(1) The weekly income benefits provided for in section 72-408(1), Idaho Code, shall be subject to a maximum of ninety percent (90%) and a minimum of forty-five percent (45%) of the currently applicable average weekly state wage, provided, however, that during the first fifty-two (52) weeks of total disability income benefits shall not in any case exceed ninety percent (90%) of the employee’s average weekly wage, but if during the first fifty-two (52) weeks ninety percent (90%) of the employee’s average weekly wage is less than fifteen percent (15%) of the currently applicable average weekly state wage, then the employee shall receive no less than fifteen percent (15%) of the currently applicable average weekly state wage, except as benefits may be increased by reason of increases in the average weekly state wage as computed in subsection (2) hereof, nor shall income benefits paid subsequent to the first fifty-two (52) weeks of total disability exceed income benefits paid during the first fifty-two (52) weeks of total disability except as the same may be increased by reason of increases in the average weekly state wage, provided, however, that where an employee’s benefit rate for the first fifty-two (52) week period was less than the minimums prescribed above, his benefit rate thereafter shall be not less than forty-five percent (45%) of the currently applicable average weekly state wage.