https://humandbs.dbcls.jp/files/hum0014/hum0014.v18.BC.v1.zip
https://humandbs.dbcls.jp/files/hum0014/hum0014_v17_v18_v21_README.txt
https://humandbs.dbcls.jp/files/hum0014/hum0014_v17_v18_v21_sample_size.xlsx
https://humandbs.dbcls.jp/files/hum0014/hum0014_v18_README.txt
https://humandbs.dbcls.jp/files/hum0014/hum0014_v18_sample_size.xlsx