Region
United States
96
China
13
Liberia
13
Balkan Peninsula
11
Libya
8
Sierra Leone
8
Sudan
6
Belarus
4
Vietnam
4
Afghanistan
3
Central America
3
Dominican Republic
3
Singapore
3
Bahrain
2
Chile
2
Colombia
2
Morocco
2
Oman
2
Peru
2
Africa South of the Sahara
1
Africa, Sub-Saharan
1
Algeria
1
Andes Region
1
Australia
1
Burma
1
Haiti
1
Iran
1
Japan
1
Korea (South)
1
Montenegro
1
Panama
1
Serbia
1
Solomon Islands
1
Timor-Leste
1
Trinidad and Tobago
1
Turkmenistan
1