Algeria
Burkina Faso
Burundi
Cameroon
Cape Verde
Chad
Côte d'Ivoire
Djibouti
Equatorial Guinea
Eritrea
Ethiopia
Gabon
Gambia
Ghana
Guinea
Guinea-Bissau
Kenya
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Madagascar
Mali
Mauritania
Mayotte
Morocco
Niger
Nigeria
Réunion
Rwanda
Senegal
Seychelles
South Africa
Tanzania
Togo
Tunisia
Uganda | Antigua and Barbuda
Argentina
Aruba
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Bolivia
Brazil
British Virgin Islands
Canada
Cayman Islands
Chile
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Costa Rica
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El Salvador
Grenada
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Jamaica
Martinique
Mexico
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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
China
Hong Kong S.A.R. of China
India
Indonesia
Japan
Kazakhstan
Korea, Republic of
Kyrgyzstan
Malaysia
Mauritius
New Zealand
Pakistan
Philippines
Singapore
Sri Lanka
Taiwan
Thailand
Turkmenistan
Uzbekistan
Vietnam | Albania
Armenia
Austria
Azerbaijan
Belarus
Belgium
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Bulgaria
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Finland
France
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Greece
Greenland
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Malta
Moldova, Republic of
Netherlands
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Russian Federation
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Slovenia
Spain
Sweden
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Turkey
Ukraine
United Kingdom
| Bahrain
Egypt
Israel
Jordan
Kuwait
Lebanon
Oman
Palestinian Territory
Qatar
Saudi Arabia
United Arab Emirates
Yemen |
Surveys and studies