The endorsement fee for the initial motorcycle endorsement shall be twelve dollars, unless the initial endorsement is issued for a period other than six years, in which case the initial endorsement fee shall be two dollars for each year or partial year that the endorsement is issued, and the subsequent renewal endorsement fee shall be thirty dollars, unless the endorsement is renewed or extended for a period other than six years, in which case the subsequent renewal endorsement fee shall be five dollars for each year that the endorsement is renewed or extended.