| Afghanistan |
4 |
| Albania |
4 |
| Algeria |
4 |
| American Samoa |
2 |
| Andorra |
4 |
| Angola |
4 |
| Anguilla |
4 |
| Antigua and Barbuda |
4 |
| Argentina |
4 |
| Armenia |
4 |
| Aruba |
4 |
| Australia |
2 |
| Austria |
4 |
| Azerbaijan |
4 |
| Bahamas |
4 |
| Bahrain |
4 |
| Bangladesh |
4 |
| Barbados |
4 |
| Belarus |
4 |
| Belgium |
4 |
| Belize |
4 |
| Benin |
4 |
| Bermuda |
4 |
| Bhutan |
4 |
| Bolivia |
4 |
| Bosnia and Herzegovina |
4 |
| Botswana |
4 |
| Brazil |
4 |
| British Virgin Islands |
4 |
| Brunei Darussalam |
1 |
| Bulgaria |
4 |
| Burkina Faso |
4 |
| Burundi |
4 |
|
|
| Cambodia |
2 |
| Cameroon |
4 |
| Canada |
3 |
| Cape Verde |
4 |
| Cayman Islands |
4 |
| Chad |
4 |
| Chile |
4 |
| China |
2 |
| Colombia |
4 |
| Congo |
4 |
| Cook Islands |
2 |
| Costa Rica |
4 |
| Croatia (Hrvatska) |
4 |
| Cyprus |
4 |
| Czech Republic |
4 |
| Denmark |
4 |
| Djibouti |
4 |
| Dominica |
4 |
| Dominican Republic |
4 |
| East Timor |
2 |
| Ecuador |
4 |
| Egypt |
4 |
| El Salvador |
4 |
| Eritrea |
4 |
| Estonia |
4 |
| Ethiopia |
4 |
| Faeroe Islands |
4 |
| Fiji |
2 |
| Finland |
4 |
| France |
4 |
| French Guiana |
4 |
| French Polynesia |
2 |
| Gabon |
4 |
|
|
| Gambia |
4 |
| Georgia |
4 |
| Germany |
4 |
| Ghana |
4 |
| Gibraltar |
4 |
| Greece |
4 |
| Greenland |
4 |
| Grenada |
4 |
| Guadeloupe |
4 |
| Guam |
2 |
| Guatemala |
4 |
| Guinea |
4 |
| Guyana |
4 |
| Haiti |
4 |
| Honduras |
4 |
| Hong Kong |
1 |
| Hungary |
4 |
| Iceland |
4 |
| India |
4 |
| Indonesia |
1 |
| Iraq |
4 |
| Ireland |
4 |
| Israel |
4 |
| Italy |
4 |
| Ivory Coast |
4 |
| Jamaica |
4 |
| Japan |
1 |
| Jordan |
4 |
| Kazakhstan |
4 |
| Kenya |
4 |
| Korea, South |
2 |
| Kuwait |
4 |
| Kyrgyzstan |
4 |
|
|
| Laos |
2 |
| Latvia |
4 |
| Lebanon |
4 |
| Lesotho |
4 |
| Liberia |
4 |
| Libyan Arab Jamahiriya |
4 |
| Liechtenstein |
4 |
| Lithuania |
4 |
| Luxembourg |
4 |
| Macau |
1 |
| Macedonia |
4 |
| Madagascar |
4 |
| Malawi |
4 |
| Malaysia |
1 |
| Maldives |
4 |
| Mali |
4 |
| Malta |
4 |
| Marshall Islands |
2 |
| Martinique |
4 |
| Mauritania |
4 |
| Mauritius |
4 |
| Mexico |
3 |
| Micronesia |
2 |
| Moldova |
4 |
| Monaco |
4 |
| Mongolia |
2 |
| Montserrat |
4 |
| Morocco |
4 |
| Mozambique |
4 |
| Namibia |
4 |
| Nepal |
4 |
| Netherlands |
4 |
| Netherlands Antilles |
4 |
|
|
| New Caledonia |
2 |
| New Zealand |
2 |
| Nicaragua |
4 |
| Niger |
4 |
| Nigeria |
4 |
| Norway |
4 |
| Oman |
4 |
| Pakistan |
4 |
| Palau |
2 |
| Panama |
4 |
| Papua New Guinea |
2 |
| Paraguay |
4 |
| Peru |
4 |
| Philippines |
1 |
| Poland |
4 |
| Portugal |
4 |
| Puerto Rico |
3 |
| Qatar |
4 |
| Reunion Island |
4 |
| Romania |
4 |
| Russian Federation |
4 |
| Rwanda |
4 |
| Saint Lucia |
4 |
| Saint Vincent/Grenadines |
4 |
| Samoa |
2 |
| San Marino |
4 |
| Saudi Arabia |
4 |
| Senegal |
4 |
| Seychelles |
4 |
| Singapore |
1 |
| Slovak Republic |
4 |
| Slovenia |
4 |
| South Africa |
4 |
|
|
| Spain |
4 |
| Sri Lanka |
4 |
| St. Kitts Nevis Anguilla |
4 |
| Suriname |
4 |
| Swaziland |
4 |
| Sweden |
4 |
| Switzerland |
4 |
| Syria |
4 |
| Taiwan |
1 |
| Tanzania |
4 |
| Thailand |
1 |
| Togo |
4 |
| Tonga |
4 |
| Trinidad and Tobago |
4 |
| Tunisia |
4 |
| Turkey |
4 |
| Turks and Caicos Islands |
4 |
| U.S. Virgin Islands |
4 |
| Uganda |
4 |
| Ukraine |
4 |
| United Arab Emirates |
4 |
| United Kingdom |
4 |
| United States of America |
3 |
| Uruguay |
4 |
| Uzbekistan |
4 |
| Vanuatu |
2 |
| Vatican City State |
4 |
| Venezuela |
4 |
| VietNam |
2 |
| Wallis and Futuna Islands |
2 |
| Yemen |
4 |
| Zambia |
4 |
| Zimbabwe |
4 |
|
|