select PREFECTURE.PF_CODE as 都道府県コード, PF_NAME as 都道府県名, round((sum(INP_YES)+0.5) * 100 / (sum(INP_YES) + sum(INP_NO) + sum(UNIDENTIFIED)), 0) as 入院率 from PREFECTURE, HOSPITALIZATION on PREFECTURE.PF_CODE = HOSPITALIZATION.PF_CODE group by HOSPITALIZATION.PF_CODE order by 入院率 desc, 都道府県コード;