SELECT
h.PF_CODE AS '都道府県コード',
p.PF_NAME AS '都道府県名',
ROUND(CAST(h.INP_YES AS FLOAT) / (h.INP_YES + h.INP_NO + h.UNIDENTIFIED) * 100.0, 2) AS '入院率'
FROM HOSPITALIZATION AS h
JOIN PREFECTURE AS p ON h.PF_CODE = p.PF_CODE
ORDER BY '入院率' DESC;