시·군별로는 남제주군이 가장 높은 76.2%, 서귀포시 73.2%, 북제주군 72.4%, 제주시는 가장 낮은 63.4%로 나타났다.
By city and county, Namjeju-gun had the highest of 76.2%, Seogwipo of 73.2%, Bukjeju-gun of 72.4%, and Jeju had the lowest of 63.4%.