select h.PF_CODE as 都道府県コード,
p.PF_NAME as 都道府県名,
round(1.00 * h.INP_YES / (h.INP_YES + h.INP_NO + h.UNIDENTIFIED) * 100, 1) as 入院率
from HOSPITALIZATION h
inner join PREFECTURE p
on p.PF_CODE = h.PF_CODE
order by 入院率 desc, 都道府県コード asc;