| Madagascar | MG | 23637 | |
| Aleutian Isl, Hawaiian Isl, United States | US | 16088 | |
| Mexico | MX | 15022 | |
| Peru | PE | 9887 | |
| Bolivia | BO | 8873 | |
| Brazil | BR | 7123 | |
| Gabon | GA | 6407 | |
| Nicaragua | NI | 4805 | |
| Paraguay | PY | 4646 | |
| Costa Rica | CR | 4609 | |
| Colombia | CO | 4183 | |
| Ecuador | EC | 4113 | |
| Venezuela | VE | 3770 | |
| Panama | PA | 3266 | |
| Argentina | AR | 2804 | |
| Tanzania | TZ | 2731 | |
| China | CN | 2666 | |
| Cameroon | CM | 2581 | |
| Marion-Prince Edward Isl, South Africa | ZA | 2366 | |
| Guatemala | GT | 2002 | |
| Ivory Coast | CI | 1736 | |
| El Salvador | SV | 1726 | |
| Honduras | HN | 1349 | |
| Zaire (please use Democratic Republic of the Congo), Congo (Kinshasa). This is now Democratic Republic of the Congo, Democratic Republic of the Congo | CD | 1215 | |
| Belize | BZ | 1118 | |
| Guinea | GN | 1035 | |
| Ghana | GH | 943 | |
| Caribbean | JM | 805 | |
| Liberia | LR | 781 | |
| Philippines | PH | 779 | |
| Vietnam | VN | 764 | |
| Nigeria | NG | 666 | |
| Malawi | MW | 641 | |
| Kenya | KE | 629 | |
| Ethiopia | ET | 607 | |
| Guyana | GY | 596 | |
| New Caledonia | NC | 514 | |
| Suriname | SR | 505 | |
| French Guiana | GF | 483 | |
| Zimbabwe | ZW | 476 | |
| Andaman Isl, Assam, India | IN | 458 | |
| Indonesia, Irian Jaya, Java, Moluccas, Sulawesi, Sumatra | ID | 452 | |
| São Tomé and Príncipe, Principe (do not use), Sao Tome (do not use) | ST | 428 | |
| Australia, Lord Howe Isl, Macquarie Isl | AU | 423 | |
| Central African Republic | CF | 411 | |
| Thailand | TH | 355 | |
| Zambia | ZM | 329 | |
| Mozambique Channel Isl, Mozambique | MZ | 326 | |
| Namibia | NA | 320 | |
| Cuba | CU | 305 | |
| Puerto Rico | PR | 249 | |
| Malaysia, Sabah, Spratly Isl, Sarawak | MY | 244 | |
| Benin | BJ | 237 | |
| Burundi | BI | 229 | |
| Taiwan | TW | 227 | |
| Bioko, Equatorial Guinea, Pagalu (Annobon) | GQ | 210 | |
| Sierra Leone | SL | 207 | |
| Republic of the Congo | CG | 206 | |
| Uganda | UG | 198 | |
| Sri Lanka | LK | 182 | |
| Chile, Easter Island, Juan Fernandez Isl | CL | 179 | |
| Comoros | KM | 170 | |
| Senegal | SN | 167 | |
| Canada | CA | 154 | |
| Bahamas | BS | 146 | |
| Bismarck Archipelago, Bougainville, Papua New Guinea | PG | 146 | |
| Mayotte | YT | 141 | |
| Japan, Kazan-retto, Marcus Isl, Ogasawara-shoto | JP | 119 | |
| TT | 111 | |
| Uruguay | UY | 108 | |
| Botswana | BW | 105 | |
| Cabinda, Angola | AO | 89 | |
| DO | 85 | |
| Guinea-Bissau | GW | 82 | |
| Togo | TG | 73 | |
| Somalia | SO | 73 | |
| Gambier Isl, Marquesas, Society Islands (French Polynesia), Tubuai Isl, Tuamotu Isl | PF | 69 | |
| French Southern and Antarctic Lands | TF | 57 | |
| New Zealand | NZ | 53 | |
| Mali | ML | 52 | |
| Swaziland | SZ | 52 | |
| Mauritius, Rodrigues | MU | 49 | |
| Burkina Faso | BF | 48 | |
| Egypt | EG | 48 | |
| HT | 47 | |
| Laos | LA | 44 | |
| Saudi Arabia | SA | 44 | |
| Rwanda | RW | 41 | |
| Ceuta, Melilla, Canary Islands, Spain | ES | 39 | |
| Aldabra, Seychelles | SC | 36 | |
| Morocco, Mascarene Islands | MA | 36 | |
| France | FR | 36 | |
| Cambodia | KH | 34 | |
| Fiji | FJ | 29 | |
| Vanuatu | VU | 29 | |
| Socotra, Yemen, South Yemen | YE | 28 | |
| Germany | DE | 27 | |
| VI | 26 | |
| Netherlands | NL | 25 | |
| Russian Federation | RU | 24 | |
| Lesotho | LS | 23 | |
| Iran | IR | 22 | |
| Greece, Kriti | GR | 21 | |
| Pakistan | PK | 21 | |
| Guam | GU | 20 | |
| Algeria | DZ | 19 | |
| Sudan | SD | 19 | |
| Republic of Georgia | GE | 17 | |
| Singapore | SG | 16 | |
| Bangladesh | BD | 15 | |
| Brunei | BN | 14 | |
| Italy, Sardegna, Sicilia | IT | 14 | |
| Turkey | TR | 13 | |
| Nepal | NP | 13 | |
| Iraq | IQ | 13 | |
| Azores, Madeira, Portugal, Selvagens | PT | 13 | |
| Chad | TD | 11 | |
| Switzerland | CH | 11 | |
| Turkmenistan | TM | 11 | |
| Eritrea | ER | 10 | |
| Sweden | SE | 9 | |
| Romania | RO | 9 | |
| Niger | NE | 9 | |
| Tonga | TO | 9 | |
| Tunisia | TN | 8 | |
| Austria | AT | 7 | |
| Poland | PL | 7 | |
| Azerbaijan | AZ | 7 | |
| TC | 6 | |
| Afghanistan | AF | 6 | |
| Palau | PW | 6 | |
| Mongolia | MN | 6 | |
| Mauritania | MR | 6 | |
| American Samoa | AS | 6 | |
| Burma, Myanmar | MM | 6 | |
| Northern Marianas | MP | 5 | |
| Oman | OM | 5 | |
| Reunion | RE | 5 | |
| Channel Isl., Northern Ireland, United Kingdom | GB | 5 | |
| Hungary | HU | 5 | |
| Cape Verde | CV | 4 | |
| Kyrgyzstan | KG | 4 | |
| Corsica | FX | 4 | |
| Gambia | GM | 4 | |
| Israel | IL | 4 | |
| South Sudan | OD | 4 | |
| Belgium | BE | 4 | |
| Western Samoa, Samoa | WS | 4 | |
| Santa Cruz Isl, Solomon Isl | SB | 4 | |
| WI | 4 | |
| Kazakhstan | KZ | 3 | |
| Lebanon | LB | 3 | |
| Ukraine | UA | 3 | |
| BM | 3 | |
| Syria | SY | 3 | |
| Denmark | DK | 3 | |
| Armenia | AM | 2 | |
| Yugoslavia | YU | 2 | |
| Finland | FI | 2 | |
| KY | 2 | |
| Micronesia Federated States | FM | 2 | |
| Libya | LY | 2 | |
| Bulgaria | BG | 2 | |
| Djibouti | DJ | 2 | |
| Uzbekistan | UZ | 2 | |
| Ireland | IE | 1 | |
| BL | 1 | |
| Andorra | AD | 1 | |
| Qatar | QA | 1 | |
| Belarus | BY | 1 | |
| South Korea | KR | 1 | |
| Niue | NU | 1 | |
| Norway | NO | 1 | |
| Tuvalu | TV | 1 | |
| Gilbert Isl, Kiribati, Phoenix Isl | KI | 1 | |
| Jordan | JO | 1 | |
| Albania | AL | 1 | |
| Tajikistan | TJ | 1 | |
| Total | | 158401 | |