A policy of automobile insurance, as defined in subsection (a) of Section 143.13, may not be nonrenewed for any of the following reasons:
     a. Age;
     b. Sex;
     c. Race;
     d. Color;
     e. Creed;
     f. Ancestry;
     g. Occupation;
     h. Marital Status;
     i. Employer of the insured;
     j. Physical disability as defined in Section 143.24a of this Act.