| Country | ISO Code | Count | |
|---|---|---|---|
| Mexico | MX | 312 | |
| Costa Rica | CR | 307 | |
| Nicaragua | NI | 303 | |
| Paraguay | PY | 289 | |
| Bolivia | BO | 250 | |
| Peru | PE | 218 | |
| Panama | PA | 146 | |
| El Salvador | SV | 129 | |
| Argentina | AR | 103 | |
| Ecuador | EC | 100 | |
| Brazil | BR | 60 | |
| Colombia | CO | 52 | |
| Honduras | HN | 48 | |
| Guatemala | GT | 42 | |
| New Caledonia | NC | 31 | |
| Venezuela | VE | 24 | |
| Belize | BZ | 23 | |
| Aleutian Isl, Hawaiian Isl, United States | US | 13 | |
| Uruguay | UY | 13 | |
| Puerto Rico | PR | 12 | |
| Bahamas | BS | 11 | |
| Caribbean | JM | 11 | |
| Cuba | CU | 7 | |
| Guyana | GY | 6 | |
| Indonesia, Irian Jaya, Java, Moluccas, Sulawesi, Sumatra | ID | 6 | |
| Philippines | PH | 2 | |
| TT | 1 | ||
| Vietnam | VN | 1 | |
| Andaman Isl, Assam, India | IN | 1 | |
| Northern Marianas | MP | 1 | |
| DO | 1 | ||
| French Guiana | GF | 1 | |
| Total | 2524 |