select
    HP.PF_CODE as '都道府県コード'
    , PF_NAME as '都道府県名'
    , ROUND(
        CAST(HP.INP_YES AS REAL) / CAST((HP.INP_YES + HP.INP_NO + HP.UNIDENTIFIED) AS REAL) * 100, 1
    ) as '入院率' 
FROM
    HOSPITALIZATION AS HP
    INNER JOIN PREFECTURE AS PF ON PF.PF_CODE = HP.PF_CODE
ORDER BY
    '入院率' DESC, HP.PF_CODE ASC;