為貝の由来、語源、分布
| 순위 |
|---|
|
1 Ibaraki-ken(0.00313%) 2 Tochigi-ken(0.002%) 3 Saitama-ken(0.00184%) 4 Chiba-ken(0.000706%) 5 Kanagawa-ken(0.000429%) 6 Niigata-ken(0.000322%) 7 Yamagata-ken(0.000311%) 8 Toukyou-to(0.000249%) 9 Miyagi-ken(0.000208%) 10 Gunma-ken(0.000203%) 11 Shizuoka-ken(0.000111%) 12 Fukuoka-ken(매우 적음) |