select
    p.PF_CODE as 都道府県コード,
    p.PF_NAME as 都道府県名,
    ROUND((h.INP_YES*100.0)/(h.INP_YES+h.INP_NO+h.UNIDENTIFIED), 1) as 入院率
from
    PREFECTURE as p
join
    HOSPITALIZATION h
    on p.PF_CODE=h.PF_CODE
order by
    入院率 DESC,
    都道府県コード ASC