South America
North and Central America
Europe
Asia
Africa
1

Brazil

Brasilia 

1

Mexico

Mexico City

1

Romania

Bucharest

1

Japan

Tokyo 

1

Egypt

Cairo

2

Peru

Lima

2

Canada

Ottawa

2

Austria

Vienna

2

South Korea

Seoul 

2

Morocco

Rabat

3

Ecuador

Quito

3

Cuba

La Havana

3

Latvia

Riga

3

Qatar

Doha

3

Niger

Niger

4

Uruguay

Montevideo

4

Costa Rica

San José

4

Albania

Tirana

4

Armenia

Yerevan

4

South Africa

 Cape Town, Pretoria, Bloemfontein

5

French Guinea

Cayenne

5

Honduras 

Tegucigalpa 

5

Malta

Valletta

5

Oman

Muscat

5

Uganda

Kampala