Region
United States
1,772
Canada
230
Great Britain
202
États-Unis
134
New Jersey
96
Pennsylvania
96
Latin America
94
France
72
Germany
65
New York (State)
59
Africa
58
Poland
55
Japan
51
China
49
Europe
45
Australia
41
Soviet Union
41
Italy
40
Taiwan
39
Russia (Federation)
38
England
37
Asia
36
Spain
35
Brazil
33
Ireland
33
Mexico
29
Europe, Eastern
26
Germany (West)
26
Switzerland
25
Developing countries
23
India
23
New York
23
America
22
London
20
Austria
19
Middle East
19
Netherlands
19
European Economic Community countries
18
Africa, Sub-Saharan
17
Colombia
17
North America
17
Washington (D.C.)
17
East Asia
16
Korea (South)
16
Massachusetts
16
Russia
16
Argentina
15
Caribbean Area
15
Pakistan
15
Texas
15
more ...