研の由来、語源、分布
| 排名 |
|---|
|
1 Ooita-ken(0.00161%) 2 Kyouto-fu(0.000665%) 3 Hiroshima-ken(0.000433%) 4 Hyougo-ken(0.00041%) 5 Miyazaki-ken(0.000339%) 6 Nara-ken(0.000297%) 7 Miyagi-ken(0.000208%) 8 Aichi-ken(0.000202%) 9 Oosaka-fu(0.000115%) 10 Fukuoka-ken(极少) 11 Chiba-ken(极少) 12 Saitama-ken(极少) |