18. The amount of the weekly benefits shall be equal to the following percentage of the average weekly earnings, calculated in accordance with this division:(1) 70% for the weeks of maternity benefits or exclusive benefits for the person, in connection with pregnancy or delivery, and the weeks of paternity benefits or exclusive benefits for the non-birthing parent, the first seven weeks of shareable parental benefits provided for in section 10, the weeks of exclusive parental benefits for each parent provided for in section 10.1 and the weeks of shareable parental benefits added under the first paragraph of section 17;
(1.1) 70% for the weeks of exclusive benefits for the woman or the person who has agreed to give birth to a child, the weeks of paternity benefits or of exclusive benefits for each non-birthing parent, the first seven weeks of shareable parental benefits provided for in section 12.4, the weeks of exclusive parental benefits for each of the parents provided for in section 12.5 and the weeks of shareable parental benefits added under the first paragraph of section 17;
(2) 70% for the weeks of exclusive adoption benefits for each parent, the first seven weeks of shareable adoption benefits provided for in section 11, the weeks of exclusive adoption benefits for each parent provided for in section 11.1 and the weeks of shareable adoption benefits added under the first paragraph of section 17;
(3) 70% for the weeks of exclusive parental or adoption benefits provided for in sections 10.2, 11.2 and 12.6;
(4) 70% for the weeks of welcome and support benefits relating to an adoption provided for in section 12.1;
(4.1) 70% for the weeks of welcome benefits relating to a parental project involving surrogacy provided for in section 12.8;
(5) 55% for the additional weeks of shareable parental or adoption benefits provided for in sections 10.3, 11.3 and 12.7; and
(6) 55% for the other weeks of shareable parental or adoption benefits provided for in sections 10, 11 and 12.4.