Japan| City/Town | ||
|---|---|---|
| Unknown | 20 | 26 |
| Shinagawa | 2 | 2 |
| Tsukuba | 1 | 3 |
| Heiwajima | 1 | 1 |
| Tokyo | 1 | 8 |
| Niigata | 1 | 1 |
| Kawasaki | 1 | 2 |
| Saitama | 1 | 1 |
| Koganei | 1 | 1 |
| Nara | 1 | 1 |
| Kushiro | 1 | 2 |
| Toride | 0 | 1 |
| Ikoma | 0 | 1 |
| Ichikawa | 0 | 1 |
| Nagoya | 0 | 1 |
| Kyoto | 0 | 1 |
| Fussa | 0 | 1 |
| Gifu | 0 | 2 |
| Noda | 0 | 1 |
| Yokohama | 0 | 1 |
| Total 20 cities/towns |