鉄穴の由来、語源、分布
| 排名 |
|---|
|
1 Shimane-ken(0.00324%) 2 Hiroshima-ken(0.00274%) 3 Yamaguchi-ken(0.00167%) 4 Saga-ken(0.000493%) 5 Kyouto-fu(0.000333%) 6 Shiga-ken(0.000325%) 7 Hyougo-ken(0.000246%) 8 Okayama-ken(0.000203%) 9 Oosaka-fu(0.000115%) 10 Kanagawa-ken(極少) |