select
HOSPITALIZATION.PF_CODE as 都道府県コード,
PF_NAME as 都道府県名	,
    round(INP_YES * 100 / (INP_YES + INP_NO + UNIDENTIFIED),2) as 入院率
from HOSPITALIZATION inner join PREFECTURE on HOSPITALIZATION.PF_CODE = PREFECTURE.PF_CODE

order by 3 desc,1

-- HOSPITALIZATION
-- PREFECTURE