Bölge
United States
1,797
Cuba
1,671
Spain
1,063
España
860
Mexico
834
México
690
Venezuela
670
Colombia
529
Argentina
509
États-Unis
417
Latin America
412
Chile
351
Canada
345
Great Britain
255
Australia
207
Brazil
199
Europe
181
Investigación
157
China
128
América Latina
110
La Pampa (Argentina : Province)
108
La Pampa (Argentina)
105
India
100
Asia
94
Africa
84
Perú
69
Poland
68
Developing countries
66
Turkey
66
Romania
61
South America
59
Middle East
54
New Zealand
54
France
53
Pakistan
53
South Africa
52
Grande-Bretagne
51
USA
51
California
46
Portugal
45
Italy
43
Europe, Eastern
41
Germany
41
Eastern Europe
40
América del Sur
38
Peru
35
America
34
Croatia
34
OECD countries
34
Pacific Area
34
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