select
    HOSPITALIZATION.PF_CODE as 都道府県コード,
    PF_NAME as 都道府県名,
    round(INP_YES * 100.0 / (INP_YES + INP_NO + UNIDENTIFIED), 2) as 入院率
from HOSPITALIZATION
inner join PREFECTURE on HOSPITALIZATION.PF_CODE = PREFECTURE.PF_CODE
order by 入院率 desc, HOSPITALIZATION.PF_CODE;