Region
United States
260
Washington (D.C.)
72
États-Unis
50
Great Britain
27
Latin America
27
America
22
Antarctica
18
Canada
18
West Indies
16
France
14
Japan
14
Netherlands
13
Africa
11
Asia
11
Eurasia
10
Pacific Area
10
Philippines
10
China
9
Europe
9
Mexico
9
Southeast Asia
9
Africa, Sub-Saharan
8
Germany
8
Ireland
8
Belgium
7
ESTADOS UNIDOS
7
Vietnam
7
North America
6
Soviet Union
6
Spain
6
USA
6
Flanders (Belgium)
5
Afghanistan
4
Amérique latine
4
Arab countries
4
Australia
4
Brazil
4
Cuba
4
Delaware
4
Developing countries
4
Illinois
4
Japon
4
Liberia
4
Minnesota
4
Poland
4
Sub-Saharan Africa
4
AMERICA LATINA
3
Afrique subsaharienne
3
California
3
Central America
3
more ...