select
    p.PF_CODE as 都道府県コード,
    p.PF_NAME as 都道府県名,
    (round(cast(h.INP_YES*100 as real)/cast(h.INP_YES+h.INP_NO+h.UNIDENTIFIED as real), 1)) as 入院率
from
    PREFECTURE as p
inner join
    HOSPITALIZATION as h
on
    p.PF_CODE = h.PF_CODE
order by
    入院率 desc;