Gebied
United States
20
États-Unis
6
Canada
4
Great Britain
2
OECD countries
2
Argentina
1
Belgium
1
China
1
Erde
1
Etats-Unis d'Amérique
1
Former Soviet republics
1
Grande-Bretagne
1
Ireland
1
New England
1
Países de la OCDE
1
Portugal
1
Russia (Federation)
1
Southeast Asia
1
Sweden
1
Switzerland
1
Sydostasien
1
Verenigde Staten
1