| Country | ISO Code | Count | |
|---|---|---|---|
| Gabon | GA | 4745 | |
| Ecuador | EC | 2296 | |
| Peru | PE | 2059 | |
| Bolivia | BO | 1781 | |
| Costa Rica | CR | 1390 | |
| Mexico | MX | 1234 | |
| Panama | PA | 965 | |
| Cameroon | CM | 944 | |
| Nicaragua | NI | 863 | |
| Madagascar | MG | 787 | |
| Colombia | CO | 683 | |
| Paraguay | PY | 587 | |
| Vietnam | VN | 518 | |
| Brazil | BR | 288 | |
| Guinea | GN | 273 | |
| Venezuela | VE | 254 | |
| Argentina | AR | 238 | |
| Honduras | HN | 212 | |
| El Salvador | SV | 173 | |
| Guatemala | GT | 170 | |
| Tanzania | TZ | 169 | |
| São Tomé and Príncipe, Principe (do not use), Sao Tome (do not use) | ST | 120 | |
| Bioko, Equatorial Guinea, Pagalu (Annobon) | GQ | 114 | |
| Liberia | LR | 112 | |
| Caribbean | JM | 95 | |
| Aleutian Isl, Hawaiian Isl, United States | US | 92 | |
| Republic of the Congo | CG | 91 | |
| Belize | BZ | 79 | |
| China | CN | 76 | |
| Zaire (please use Democratic Republic of the Congo), Congo (Kinshasa). This is now Democratic Republic of the Congo, Democratic Republic of the Congo | CD | 41 | |
| Malaysia, Sabah, Spratly Isl, Sarawak | MY | 35 | |
| Ghana | GH | 33 | |
| Ivory Coast | CI | 31 | |
| Indonesia, Irian Jaya, Java, Moluccas, Sulawesi, Sumatra | ID | 29 | |
| TT | 24 | ||
| Suriname | SR | 24 | |
| Cabinda, Angola | AO | 23 | |
| Puerto Rico | PR | 20 | |
| Comoros | KM | 17 | |
| Kenya | KE | 16 | |
| Bismarck Archipelago, Bougainville, Papua New Guinea | PG | 16 | |
| Philippines | PH | 14 | |
| French Guiana | GF | 14 | |
| Uganda | UG | 13 | |
| Andaman Isl, Assam, India | IN | 12 | |
| Cuba | CU | 11 | |
| DO | 11 | ||
| Mayotte | YT | 11 | |
| Guyana | GY | 10 | |
| Cambodia | KH | 9 | |
| Sierra Leone | SL | 9 | |
| Rwanda | RW | 7 | |
| Laos | LA | 7 | |
| Nigeria | NG | 6 | |
| Malawi | MW | 5 | |
| Togo | TG | 5 | |
| Zambia | ZM | 5 | |
| Thailand | TH | 4 | |
| Aldabra, Seychelles | SC | 3 | |
| Bhutan | BT | 3 | |
| Burundi | BI | 2 | |
| Sri Lanka | LK | 2 | |
| Taiwan | TW | 2 | |
| Vanuatu | VU | 2 | |
| Netherlands | NL | 2 | |
| Reunion | RE | 2 | |
| Marion-Prince Edward Isl, South Africa | ZA | 2 | |
| Santa Cruz Isl, Solomon Isl | SB | 1 | |
| Nepal | NP | 1 | |
| Mozambique Channel Isl, Mozambique | MZ | 1 | |
| Mauritius, Rodrigues | MU | 1 | |
| Uruguay | UY | 1 | |
| Morocco, Mascarene Islands | MA | 1 | |
| HT | 1 | ||
| Central African Republic | CF | 1 | |
| Ethiopia | ET | 1 | |
| Total | 21899 |