Region
Europe and Central Asia
28
Africa
27
East Asia and Pacific
23
Latin America & Caribbean
20
Asia
15
Eastern Europe
13
Sub-Saharan Africa
11
Mexico
9
Commonwealth of Independent States
8
Europe
8
South Asia
8
Middle East and North Africa
7
Southeast Asia
6
Vietnam
6
East Africa
5
Lao People's Democratic Republic
5
West Africa
5
America
4
Armenia
4
Egypt, Arab Republic of
4
Romania
4
Central America
3
Central Asia
3
Ethiopia
3
Jordan
3
Kyrgyz Republic
3
Liberia
3
Mozambique
3
North America
3
Timor-Leste
3
Uganda
3
Ukraine
3
Bangladesh
2
Bosnia and Herzegovina
2
Brazil
2
Cambodia
2
Chile
2
East Asia
2
Ghana
2
India
2
Middle East
2
Moldova
2
Sahel
2
Thailand
2
Afghanistan
1
Argentina
1
Azerbaijan
1
Bhutan
1
Bulgaria
1
Burundi
1
more ...