SELECT
h.PF_CODE AS 都道府県コード,
PF_NAME AS 都道府県名,
ROUND(CAST(INP_YES AS FLOAT) / (INP_YES + INP_NO + UNIDENTIFIED) * 100, 1) AS 入院率 
FROM HOSPITALIZATION AS p
INNER JOIN PREFECTURE AS h
ON p.PF_CODE = h.PF_CODE
ORDER BY 入院率 DESC, 都道府県コード;