| Country | ISO Code | Count | |
|---|---|---|---|
| China | CN | 180 | |
| Japan, Kazan-retto, Marcus Isl, Ogasawara-shoto | JP | 39 | |
| Vietnam | VN | 32 | |
| Italy, Sardegna, Sicilia | IT | 6 | |
| Aleutian Isl, Hawaiian Isl, United States | US | 5 | |
| Taiwan | TW | 4 | |
| Thailand | TH | 2 | |
| Burma, Myanmar | MM | 1 | |
| Netherlands | NL | 1 | |
| Argentina | AR | 1 | |
| Republic of Georgia | GE | 1 | |
| Andaman Isl, Assam, India | IN | 1 | |
| Total | 273 |