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 HOSPITALIZATION h join PREFECTURE p on h.PF_CODE = p.PF_CODE
order by 3 desc, 1