Ámbito geográfico
United States
17,291
Great Britain
9,828
Europe
3,739
Germany
3,417
China
3,247
France
3,133
European Union countries
2,307
Italy
1,755
Japan
1,486
Spain
1,349
Canada
1,331
Germany (West)
1,182
New York (State)
1,157
Developing countries
1,118
Australia
1,098
England
972
California
959
India
929
États-Unis
813
Switzerland
803
Egypt
792
Brazil
755
Soviet Union
708
Korea (South)
695
Scotland
665
Massachusetts
657
États-Unis
653
Netherlands
613
Mexico
578
Latin America
567
Grande-Bretagne
559
Russia (Federation)
546
South Africa
492
Africa
442
Pennsylvania
439
Argentina
417
European Economic Community countries
408
Turkey
404
Poland
391
Taiwan
388
Haiti
386
Asia
381
Ireland
379
Colombia
378
Austria
368
Belgium
362
Haïti
353
Haïti
346
Arab countries
340
Alaska
336
más ...