Region
United States
1,218
Iran
46
China
37
Developing countries
25
Afghanistan
22
Africa
19
European Economic Community countries
17
Alaska
16
Iraq
16
Latin America
16
Pakistan
16
Cuba
15
Haiti
15
California
14
Texas
14
Europe
13
Korea (North)
12
Caribbean Area
11
Russia (Federation)
11
Japan
10
Mexico
10
European Union countries
9
Washington (State)
9
Colorado
8
Soviet Union
8
Burma
7
Central America
7
Europe, Eastern
7
Louisiana
7
Ohio
7
Africa, Sub-Saharan
6
Middle East
6
Oregon
6
Pacific Area
6
Panama
6
Sudan
6
Tongass National Forest
6
Western Hemisphere
6
Zimbabwe
6
Asia, Eastern
5
Belarus
5
Colombia
5
East Asia
5
Florida
5
Kansas
5
Korea (South)
5
Somalia
5
Syria
5
Tongass National Forest (Alaska)
5
Washington (D.C.)
5
more ...