| Algeria
Angola
Benin
Botswana
Burkina Faso
Burundi
Cameroon
Cape Verde
Central African Republic
Chad
Congo
Congo, The Democratic Republic of the
Côte d'Ivoire
Djibouti
Equatorial Guinea
Eritrea
Ethiopia
Gabon
Gambia
Ghana
Guinea
Guinea-Bissau
Kenya
Lesotho
Liberia
Madagascar
Malawi
Mali
Mauritania
Morocco
Mozambique
Namibia
Niger
Nigeria
Réunion
Rwanda
Sao Tome and Principe
Senegal
Seychelles
Sierra Leone
South Africa
Swaziland
Tanzania
Togo
Tunisia
Uganda
Zambia
Zimbabwe | Anguilla
Antigua and Barbuda
Argentina
Aruba
Bahamas
Barbados
Bermuda
Bolivia
Brazil
Canada
Cayman Islands
Chile
Colombia
Costa Rica
Dominica
Dominican Republic
Ecuador
El Salvador
French
Grenada
Guadeloupe
Guatemala
Guyana
Honduras
Jamaica
Mexico
Montserrat
Netherlands Antilles
Nicaragua
Panama
Paraguay
Peru
Saint Kitts and Nevis
Saint Lucia
Saint Vincent and the Grenadines
Suriname
Trinidad and Tobago
Turks and Caicos Islands
United States
Uruguay
Venezuela | Australia
Bangladesh
Brunei Darussalam
China
Guam
Hong Kong S.A.R. of China
India
Indonesia
Japan
Kazakhstan
Korea, Republic of
Kyrgyzstan
Macao S.A.R. of China
Malaysia
Mauritius
New Zealand
Pakistan
Philippines
Singapore
Sri Lanka
Taiwan
Thailand
Turkmenistan
Uzbekistan
Vietnam | Albania
Armenia
Austria
Azerbaijan
Belarus
Belgium
Bosnia and Herzegovina
Bulgaria
Croatia
Cyprus
Czech Republic
Denmark
Estonia
Finland
France
Georgia
Germany
Greece
Greenland
Hungary
Iceland
Ireland
Italy
Latvia
Lithuania
Luxembourg
Malta
Moldova, Republic of
Netherlands
Norway
Poland
Portugal
Romania
Russian Federation
Serbia and Montenegro
Slovakia
Slovenia
Spain
Sweden
Switzerland
Turkey
Ukraine
United Kingdom
| Bahrain
Egypt
Israel
Jordan
Kuwait
Lebanon
Oman
Qatar
Saudi Arabia
United Arab Emirates
Yemen |
Surveys and studies