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