| Country | ISO Code | Count | |
|---|---|---|---|
| Aleutian Isl, Hawaiian Isl, United States | US | 507 | |
| China | CN | 244 | |
| Bolivia | BO | 194 | |
| Peru | PE | 145 | |
| Mexico | MX | 115 | |
| Ecuador | EC | 81 | |
| Nicaragua | NI | 38 | |
| Guatemala | GT | 30 | |
| Argentina | AR | 26 | |
| El Salvador | SV | 12 | |
| Colombia | CO | 9 | |
| Costa Rica | CR | 8 | |
| Caribbean | JM | 8 | |
| Honduras | HN | 6 | |
| Venezuela | VE | 6 | |
| Japan, Kazan-retto, Marcus Isl, Ogasawara-shoto | JP | 2 | |
| Morocco, Mascarene Islands | MA | 1 | |
| Panama | PA | 1 | |
| Republic of Georgia | GE | 1 | |
| Cuba | CU | 1 | |
| Belgium | BE | 1 | |
| Switzerland | CH | 1 | |
| Puerto Rico | PR | 1 | |
| Russian Federation | RU | 1 | |
| Total | 1439 |