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